520168324 has 12 divisors (see below), whose sum is σ = 980317324. Its totient is φ = 240077664.

The previous prime is 520168321. The next prime is 520168349. The reversal of 520168324 is 423861025.

It can be written as a sum of positive squares in 2 ways, for example, as 283316224 + 236852100 = 16832^2 + 15390^2 .

It is not an unprimeable number, because it can be changed into a prime (520168321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001567 + ... + 5001670.

Almost surely, 2^520168324 is an apocalyptic number.

It is an amenable number.

520168324 is a deficient number, since it is larger than the sum of its proper divisors (460149000).

520168324 is a wasteful number, since it uses less digits than its factorization.

520168324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003254 (or 10003252 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 520168324 is about 22807.1989512084. The cubic root of 520168324 is about 804.2319096192.

The spelling of 520168324 in words is "five hundred twenty million, one hundred sixty-eight thousand, three hundred twenty-four".