252488520 has 48 divisors (see below), whose sum is σ = 820588860. Its totient is φ = 67330176.

The previous prime is 252488519. The next prime is 252488527. The reversal of 252488520 is 25884252.

252488520 is a `hidden beast` number, since 2 + 52 + 4 + 88 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 245423556 + 7064964 = 15666^2 + 2658^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (252488527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350319 + ... + 351038.

Almost surely, 2^252488520 is an apocalyptic number.

252488520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252488520 is an abundant number, since it is smaller than the sum of its proper divisors (568100340).

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

252488520 is a wasteful number, since it uses less digits than its factorization.

252488520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701374 (or 701367 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 252488520 is about 15889.8873501356. The cubic root of 252488520 is about 632.0438534437.

The spelling of 252488520 in words is "two hundred fifty-two million, four hundred eighty-eight thousand, five hundred twenty".