252399052 has 12 divisors (see below), whose sum is σ = 453636400. Its totient is φ = 122788656.

The previous prime is 252399047. The next prime is 252399061. The reversal of 252399052 is 250993252.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 852552 + ... + 852847.

Almost surely, 2^252399052 is an apocalyptic number.

It is an amenable number.

252399052 is a deficient number, since it is larger than the sum of its proper divisors (201237348).

252399052 is a wasteful number, since it uses less digits than its factorization.

252399052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705440 (or 1705438 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 252399052 is about 15887.0718510366. The cubic root of 252399052 is about 631.9691908017.

The spelling of 252399052 in words is "two hundred fifty-two million, three hundred ninety-nine thousand, fifty-two".