252097924 has 12 divisors (see below), whose sum is σ = 475107724. Its totient is φ = 116352864.

The previous prime is 252097897. The next prime is 252097931. The reversal of 252097924 is 429790252.

It can be written as a sum of positive squares in 2 ways, for example, as 82264900 + 169833024 = 9070^2 + 13032^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2423967 + ... + 2424070.

Almost surely, 2^252097924 is an apocalyptic number.

It is an amenable number.

252097924 is a deficient number, since it is larger than the sum of its proper divisors (223009800).

252097924 is a wasteful number, since it uses less digits than its factorization.

252097924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848054 (or 4848052 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 252097924 is about 15877.5918829021. The cubic root of 252097924 is about 631.7177644082.

It can be divided in two parts, 25209 and 7924, that added together give a palindrome (33133).

The spelling of 252097924 in words is "two hundred fifty-two million, ninety-seven thousand, nine hundred twenty-four".