252752580 has 36 divisors (see below), whose sum is σ = 766683372. Its totient is φ = 67400640.

The previous prime is 252752557. The next prime is 252752597. The reversal of 252752580 is 85257252.

252752580 is a `hidden beast` number, since 2 + 5 + 2 + 75 + 2 + 580 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40525956 + 212226624 = 6366^2 + 14568^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701911 + ... + 702270.

Almost surely, 2^252752580 is an apocalyptic number.

252752580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252752580 is an abundant number, since it is smaller than the sum of its proper divisors (513930792).

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

252752580 is a wasteful number, since it uses less digits than its factorization.

252752580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404196 (or 1404191 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 252752580 is about 15898.1942370824. The cubic root of 252752580 is about 632.2641134270.

The spelling of 252752580 in words is "two hundred fifty-two million, seven hundred fifty-two thousand, five hundred eighty".