520171316 has 12 divisors (see below), whose sum is σ = 1040342688. Its totient is φ = 222930552.

The previous prime is 520171307. The next prime is 520171343. The reversal of 520171316 is 613171025.

520171316 is an admirable number.

It is a congruent number.

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, 9288746 + ... + 9288801.

It is an arithmetic number, because the mean of its divisors is an integer number (86695224).

Almost surely, 2^520171316 is an apocalyptic number.

It is an amenable number.

520171316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520171316 is a wasteful number, since it uses less digits than its factorization.

520171316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18577558 (or 18577556 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 520171316 is about 22807.2645444385. The cubic root of 520171316 is about 804.2334515926.

The spelling of 520171316 in words is "five hundred twenty million, one hundred seventy-one thousand, three hundred sixteen".