520104324 has 24 divisors (see below), whose sum is σ = 1284964128. Its totient is φ = 163169920.

The previous prime is 520104283. The next prime is 520104331. The reversal of 520104324 is 423401025.

It is a self number, because there is not a number n which added to its sum of digits gives 520104324.

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, 1274562 + ... + 1274969.

It is an arithmetic number, because the mean of its divisors is an integer number (53540172).

Almost surely, 2^520104324 is an apocalyptic number.

It is an amenable number.

520104324 is an abundant number, since it is smaller than the sum of its proper divisors (764859804).

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

520104324 is a wasteful number, since it uses less digits than its factorization.

520104324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549555 (or 2549553 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 520104324 is about 22805.7958422854. The cubic root of 520104324 is about 804.1989248135.

Adding to 520104324 its reverse (423401025), we get a palindrome (943505349).

The spelling of 520104324 in words is "five hundred twenty million, one hundred four thousand, three hundred twenty-four".