252120524 has 24 divisors (see below), whose sum is σ = 453676608. Its totient is φ = 122527440.

The previous prime is 252120499. The next prime is 252120581. The reversal of 252120524 is 425021252.

252120524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252120524.

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, 32819 + ... + 39765.

It is an arithmetic number, because the mean of its divisors is an integer number (18903192).

Almost surely, 2^252120524 is an apocalyptic number.

It is an amenable number.

252120524 is a deficient number, since it is larger than the sum of its proper divisors (201556084).

252120524 is a wasteful number, since it uses less digits than its factorization.

252120524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205 (or 7203 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 252120524 is about 15878.3035617789. The cubic root of 252120524 is about 631.7366411931.

Adding to 252120524 its reverse (425021252), we get a palindrome (677141776).

The spelling of 252120524 in words is "two hundred fifty-two million, one hundred twenty thousand, five hundred twenty-four".