252748872 has 24 divisors (see below), whose sum is σ = 684528390. Its totient is φ = 84249600.

The previous prime is 252748871. The next prime is 252748879. The reversal of 252748872 is 278847252.

252748872 is a `hidden beast` number, since 2 + 527 + 48 + 87 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 182088036 + 70660836 = 13494^2 + 8406^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (252748871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1755129 + ... + 1755272.

Almost surely, 2^252748872 is an apocalyptic number.

It is an amenable number.

252748872 is an abundant number, since it is smaller than the sum of its proper divisors (431779518).

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

252748872 is a wasteful number, since it uses less digits than its factorization.

252748872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510413 (or 3510406 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 252748872 is about 15898.0776196369. The cubic root of 252748872 is about 632.2610215406.

The spelling of 252748872 in words is "two hundred fifty-two million, seven hundred forty-eight thousand, eight hundred seventy-two".