25256492 has 24 divisors (see below), whose sum is σ = 47945520. Its totient is φ = 11594240.

The previous prime is 25256479. The next prime is 25256513. The reversal of 25256492 is 29465252.

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, 1742 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (1997730).

Almost surely, 2^25256492 is an apocalyptic number.

It is an amenable number.

25256492 is a deficient number, since it is larger than the sum of its proper divisors (22689028).

25256492 is a wasteful number, since it uses less digits than its factorization.

25256492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121 (or 9119 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 25256492 is about 5025.5837471880. The cubic root of 25256492 is about 293.3983562236.

The spelling of 25256492 in words is "twenty-five million, two hundred fifty-six thousand, four hundred ninety-two".