252130280 has 16 divisors (see below), whose sum is σ = 567293220. Its totient is φ = 100852096.

The previous prime is 252130273. The next prime is 252130303. The reversal of 252130280 is 82031252.

It can be written as a sum of positive squares in 2 ways, for example, as 229643716 + 22486564 = 15154^2 + 4742^2 .

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, 3151589 + ... + 3151668.

Almost surely, 2^252130280 is an apocalyptic number.

252130280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252130280 is an abundant number, since it is smaller than the sum of its proper divisors (315162940).

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

252130280 is a wasteful number, since it uses less digits than its factorization.

252130280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303268 (or 6303264 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 252130280 is about 15878.6107704673. The cubic root of 252130280 is about 631.7447896018.

The spelling of 252130280 in words is "two hundred fifty-two million, one hundred thirty thousand, two hundred eighty".