25252390 has 16 divisors (see below), whose sum is σ = 47431008. Its totient is φ = 9661696.

The previous prime is 25252363. The next prime is 25252439. The reversal of 25252390 is 9325252.

It is a congruent number.

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, 54667 + ... + 55126.

It is an arithmetic number, because the mean of its divisors is an integer number (2964438).

Almost surely, 2^25252390 is an apocalyptic number.

25252390 is a deficient number, since it is larger than the sum of its proper divisors (22178618).

25252390 is a wasteful number, since it uses less digits than its factorization.

25252390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109823.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25252390 is about 5025.1756188217. The cubic root of 25252390 is about 293.3824713939.

The spelling of 25252390 in words is "twenty-five million, two hundred fifty-two thousand, three hundred ninety".