25902855 has 32 divisors (see below), whose sum is σ = 50238720. Its totient is φ = 12558240.

The previous prime is 25902841. The next prime is 25902901. The reversal of 25902855 is 55820952.

It is not a de Polignac number, because 25902855 - 2⁵ = 25902823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7237 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (1569960).

Almost surely, 2^25902855 is an apocalyptic number.

25902855 is a deficient number, since it is larger than the sum of its proper divisors (24335865).

25902855 is a wasteful number, since it uses less digits than its factorization.

25902855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17468 (or 17462 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 25902855 is about 5089.4847479878. The cubic root of 25902855 is about 295.8801826661.

It can be divided in two parts, 2590 and 2855, that added together give a palindrome (5445).

The spelling of 25902855 in words is "twenty-five million, nine hundred two thousand, eight hundred fifty-five".