252117160 has 16 divisors (see below), whose sum is σ = 567263700. Its totient is φ = 100846848.

The previous prime is 252117143. The next prime is 252117161. The reversal of 252117160 is 61711252.

It can be written as a sum of positive squares in 2 ways, for example, as 210308004 + 41809156 = 14502^2 + 6466^2 .

It is not an unprimeable number, because it can be changed into a prime (252117161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3151425 + ... + 3151504.

Almost surely, 2^252117160 is an apocalyptic number.

252117160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252117160 is an abundant number, since it is smaller than the sum of its proper divisors (315146540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252117160 is a wasteful number, since it uses less digits than its factorization.

252117160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302940 (or 6302936 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 252117160 is about 15878.1976307136. The cubic root of 252117160 is about 631.7338314635.

The spelling of 252117160 in words is "two hundred fifty-two million, one hundred seventeen thousand, one hundred sixty".