252697360 has 20 divisors (see below), whose sum is σ = 587521548. Its totient is φ = 101078912.

The previous prime is 252697351. The next prime is 252697363. The reversal of 252697360 is 63796252.

It can be written as a sum of positive squares in 2 ways, for example, as 117765904 + 134931456 = 10852^2 + 11616^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (252697363) 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, 1579279 + ... + 1579438.

Almost surely, 2^252697360 is an apocalyptic number.

252697360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252697360 is an abundant number, since it is smaller than the sum of its proper divisors (334824188).

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

252697360 is a wasteful number, since it uses less digits than its factorization.

252697360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158730 (or 3158724 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 252697360 is about 15896.4574669956. The cubic root of 252697360 is about 632.2180655393.

The spelling of 252697360 in words is "two hundred fifty-two million, six hundred ninety-seven thousand, three hundred sixty".