25038990 has 32 divisors (see below), whose sum is σ = 66771360. Its totient is φ = 6676992.

The previous prime is 25038989. The next prime is 25039009. The reversal of 25038990 is 9983052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46099 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (2086605).

Almost surely, 2^25038990 is an apocalyptic number.

25038990 is an abundant number, since it is smaller than the sum of its proper divisors (41732370).

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

25038990 is a wasteful number, since it uses less digits than its factorization.

25038990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92753 (or 92747 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 25038990 is about 5003.8974809642. The cubic root of 25038990 is about 292.5537048003.

The spelling of 25038990 in words is "twenty-five million, thirty-eight thousand, nine hundred ninety".