252438332 has 48 divisors (see below), whose sum is σ = 484915200. Its totient is φ = 114540480.

The previous prime is 252438293. The next prime is 252438371. The reversal of 252438332 is 233834252.

It is an interprime number because it is at equal distance from previous prime (252438293) and next prime (252438371).

It is a super-2 number, since 2×252438332² = 127450222925884448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256313 + ... + 257295.

It is an arithmetic number, because the mean of its divisors is an integer number (10102400).

Almost surely, 2^252438332 is an apocalyptic number.

It is an amenable number.

252438332 is a deficient number, since it is larger than the sum of its proper divisors (232476868).

252438332 is a wasteful number, since it uses less digits than its factorization.

252438332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 252438332 is about 15888.3080282326. The cubic root of 252438332 is about 632.0019728347.

The spelling of 252438332 in words is "two hundred fifty-two million, four hundred thirty-eight thousand, three hundred thirty-two".