252626404 has 12 divisors (see below), whose sum is σ = 442537200. Its totient is φ = 126187208.

The previous prime is 252626393. The next prime is 252626431. The reversal of 252626404 is 404626252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26914 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (36878100).

Almost surely, 2^252626404 is an apocalyptic number.

It is an amenable number.

252626404 is a deficient number, since it is larger than the sum of its proper divisors (189910796).

252626404 is a wasteful number, since it uses less digits than its factorization.

252626404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63002 (or 63000 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 252626404 is about 15894.2254922975. The cubic root of 252626404 is about 632.1588855720.

The spelling of 252626404 in words is "two hundred fifty-two million, six hundred twenty-six thousand, four hundred four".