25259790 has 32 divisors (see below), whose sum is σ = 64190880. Its totient is φ = 6339584.

The previous prime is 25259779. The next prime is 25259827. The reversal of 25259790 is 9795252.

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, 24255 + ... + 25274.

It is an arithmetic number, because the mean of its divisors is an integer number (2005965).

Almost surely, 2^25259790 is an apocalyptic number.

25259790 is an abundant number, since it is smaller than the sum of its proper divisors (38931090).

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

25259790 is a wasteful number, since it uses less digits than its factorization.

25259790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49556.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25259790 is about 5025.9118575638. The cubic root of 25259790 is about 293.4111263484.

The spelling of 25259790 in words is "twenty-five million, two hundred fifty-nine thousand, seven hundred ninety".