25307 has 2 divisors, whose sum is σ = 25308.
Its totient is φ = 25306.
The previous prime is 25303. The next prime is 25309. The reversal of 25307 is 70352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 25307 - 22 = 25303 is a prime.
Together with 25309, it forms a pair of twin primes.
It is a Chen prime.
It is a plaindrome in base 12.
It is a nialpdrome in base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25307.
It is not a weakly prime, because it can be changed into another prime (25301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12653 + 12654.
It is an arithmetic number, because the mean of its divisors is an integer number (12654).
225307 is an apocalyptic number.
25307 is a deficient number, since it is larger than the sum of its proper divisors (1).
25307 is an equidigital number, since it uses as much as digits as its factorization.
25307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 210, while the sum is 17.
The square root of 25307 is about 159.0817399955.
The cubic root of 25307 is about 29.3593805600.
Adding to 25307 its reverse (70352), we get a palindrome (95659).
The spelling of 25307 in words is "twenty-five thousand, three hundred seven".