25365642 has 16 divisors (see below), whose sum is σ = 52937280. Its totient is φ = 8087552.

The previous prime is 25365629. The next prime is 25365677. The reversal of 25365642 is 24656352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91767 + ... + 92042.

It is an arithmetic number, because the mean of its divisors is an integer number (3308580).

Almost surely, 2^25365642 is an apocalyptic number.

25365642 is an abundant number, since it is smaller than the sum of its proper divisors (27571638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25365642 is a wasteful number, since it uses less digits than its factorization.

25365642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183837.

The product of its digits is 43200, while the sum is 33.

The square root of 25365642 is about 5036.4314747646. The cubic root of 25365642 is about 293.8204049139.

The spelling of 25365642 in words is "twenty-five million, three hundred sixty-five thousand, six hundred forty-two".