252225524 has 24 divisors (see below), whose sum is σ = 446722248. Its totient is φ = 124600320.

The previous prime is 252225509. The next prime is 252225577. The reversal of 252225524 is 425522252.

It can be written as a sum of positive squares in 4 ways, for example, as 2016400 + 250209124 = 1420^2 + 15818^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120164 + ... + 122244.

It is an arithmetic number, because the mean of its divisors is an integer number (18613427).

Almost surely, 2^252225524 is an apocalyptic number.

It is an amenable number.

252225524 is a deficient number, since it is larger than the sum of its proper divisors (194496724).

252225524 is a wasteful number, since it uses less digits than its factorization.

252225524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2433 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 252225524 is about 15881.6096161567. The cubic root of 252225524 is about 631.8243282776.

Adding to 252225524 its reverse (425522252), we get a palindrome (677747776).

The spelling of 252225524 in words is "two hundred fifty-two million, two hundred twenty-five thousand, five hundred twenty-four".