25902965 has 16 divisors (see below), whose sum is σ = 34252416. Its totient is φ = 18648000.

The previous prime is 25902953. The next prime is 25902967. The reversal of 25902965 is 56920952.

It is not a de Polignac number, because 25902965 - 2⁶ = 25902901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25902967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3224 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (2140776).

Almost surely, 2^25902965 is an apocalyptic number.

It is an amenable number.

25902965 is a deficient number, since it is larger than the sum of its proper divisors (8349451).

25902965 is a wasteful number, since it uses less digits than its factorization.

25902965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 25902965 is about 5089.4955545712. The cubic root of 25902965 is about 295.8806014973.

It can be divided in two parts, 2590 and 2965, that added together give a palindrome (5555).

The spelling of 25902965 in words is "twenty-five million, nine hundred two thousand, nine hundred sixty-five".