520453252 has 48 divisors (see below), whose sum is σ = 1024531200. Its totient is φ = 229289760.

The previous prime is 520453189. The next prime is 520453277. The reversal of 520453252 is 252354025.

It is a self number, because there is not a number n which added to its sum of digits gives 520453252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261999 + ... + 263977.

It is an arithmetic number, because the mean of its divisors is an integer number (21344400).

Almost surely, 2^520453252 is an apocalyptic number.

It is an amenable number.

520453252 is a deficient number, since it is larger than the sum of its proper divisors (504077948).

520453252 is a wasteful number, since it uses less digits than its factorization.

520453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 520453252 is about 22813.4445448293. Note that the first 3 decimals coincide. The cubic root of 520453252 is about 804.3787251481.

The spelling of 520453252 in words is "five hundred twenty million, four hundred fifty-three thousand, two hundred fifty-two".