252638264 has 16 divisors (see below), whose sum is σ = 476605320. Its totient is φ = 125543520.

The previous prime is 252638249. The next prime is 252638303. The reversal of 252638264 is 462836252.

It is a congruent number.

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, 95567 + ... + 98174.

Almost surely, 2^252638264 is an apocalyptic number.

It is an amenable number.

252638264 is a deficient number, since it is larger than the sum of its proper divisors (223967056).

252638264 is a wasteful number, since it uses less digits than its factorization.

252638264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193910 (or 193906 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 252638264 is about 15894.5985793917. The cubic root of 252638264 is about 632.1687780284.

The spelling of 252638264 in words is "two hundred fifty-two million, six hundred thirty-eight thousand, two hundred sixty-four".