25607 has 4 divisors (see below), whose sum is σ = 26520. Its totient is φ = 24696.

The previous prime is 25603. The next prime is 25609. The reversal of 25607 is 70652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25607 - 2² = 25603 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25607.

It is not an unprimeable number, because it can be changed into a prime (25601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 470.

It is an arithmetic number, because the mean of its divisors is an integer number (6630).

2²⁵⁶⁰⁷ is an apocalyptic number.

25607 is a deficient number, since it is larger than the sum of its proper divisors (913).

25607 is an equidigital number, since it uses as much as digits as its factorization.

25607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 25607 is about 160.0218735048. The cubic root of 25607 is about 29.4749380173.

The spelling of 25607 in words is "twenty-five thousand, six hundred seven".