Names of 25
| Nominal | 25 |
| Cardinal | twenty-five |
| Ordinal | 25th |
| This number as US currency | twenty-five dollars |
| Is 25 an odd number? | 25 is an odd number |
| Is 25 an even number? | 25 is NOT an even number |
| Is 25 a palindrome? | 25 is NOT a palindrome number |
| Is 25 a triangle number? | 25 is NOT a triangle number |
25 in other Bases
| Base 2 (Binary) | 110012 |
| Base 3 (Ternary) | 2213 |
| Base 4 (Quaternary) | 1214 |
| Base 5 (Quinary) | 1005 |
| Base 6 (Senary) | 416 |
| Base 8 (Octal) | 318 |
| Base 12 (Duodecimal) | 2112 |
| Base 16 (Hexadecimal) | 1916 |
| Base 20 (Vigesimal) | 1520 |
Primes and Factors tests for 25
| Is 25 a Prime Number? | 25 is NOT a prime |
| Is 25 a perfect number? | 25 is NOT a perfect number |
| Is 25 a Mersenne Prime? | 25 is NOT a Mersenne prime |
| Is 25 a Fermat Prime? | 25 is NOT a Fermat prime |
| Is 25 a Fibonacci Prime? | 25 is NOT a Fibonacci prime |
| Is 25 a Partition Prime? | 25 is NOT a Partition prime |
| Is 25 a Pell Prime? | 25 is NOT a Pell prime |
| Prime Factors | Prime factors of 25 |
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25 in other Numerals
| 25 in Roman Numeral | XXV |
| 25 in Chinese Numeral | 貳拾伍 |
| 25 in Egyptian Numeral | 𓎇𓏾 |
| 25 in Babylonian Numeral |  |
Roots and stuff for 25
| Is 25 a square number? | 25 is a square number |
| Is 25 a cube number? | 25 is NOT a cube number |
| Square root of the number 25 | 5 |
| Cube root of the number 25 | 2.9240177382129 |
Recreational math for 25
| Number 25 reversed | 52 |
| Sum of the digits | 7 |
| No of digits | 2 |