25595 has 4 divisors (see below), whose sum is σ = 30720. Its totient is φ = 20472.

The previous prime is 25589. The next prime is 25601. The reversal of 25595 is 59552.

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

It is an interprime number because it is at equal distance from previous prime (25589) and next prime (25601).

It is a cyclic number.

It is not a de Polignac number, because 25595 - 2⁴ = 25579 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (7680).

2²⁵⁵⁹⁵ is an apocalyptic number.

25595 is a deficient number, since it is larger than the sum of its proper divisors (5125).

25595 is an equidigital number, since it uses as much as digits as its factorization.

25595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its digits is 2250, while the sum is 26.

The square root of 25595 is about 159.9843742370. The cubic root of 25595 is about 29.4703330978.

The spelling of 25595 in words is "twenty-five thousand, five hundred ninety-five".