252140332 has 6 divisors (see below), whose sum is σ = 441245588. Its totient is φ = 126070164.

The previous prime is 252140323. The next prime is 252140351. The reversal of 252140332 is 233041252.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31517538 + ... + 31517545.

Almost surely, 2^252140332 is an apocalyptic number.

It is an amenable number.

252140332 is a deficient number, since it is larger than the sum of its proper divisors (189105256).

252140332 is a wasteful number, since it uses less digits than its factorization.

252140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63035087 (or 63035085 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 252140332 is about 15878.9272937437. The cubic root of 252140332 is about 631.7531850158.

Adding to 252140332 its reverse (233041252), we get a palindrome (485181584).

The spelling of 252140332 in words is "two hundred fifty-two million, one hundred forty thousand, three hundred thirty-two".