252504520 has 16 divisors (see below), whose sum is σ = 568135260. Its totient is φ = 101001792.

The previous prime is 252504493. The next prime is 252504569. The reversal of 252504520 is 25405252.

It is a happy number.

252504520 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208918116 + 43586404 = 14454^2 + 6602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156267 + ... + 3156346.

Almost surely, 2^252504520 is an apocalyptic number.

252504520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252504520 is an abundant number, since it is smaller than the sum of its proper divisors (315630740).

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

252504520 is a wasteful number, since it uses less digits than its factorization.

252504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312624 (or 6312620 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 252504520 is about 15890.3908070255. The cubic root of 252504520 is about 632.0572038699.

Adding to 252504520 its reverse (25405252), we get a palindrome (277909772).

The spelling of 252504520 in words is "two hundred fifty-two million, five hundred four thousand, five hundred twenty".