520160313 has 4 divisors (see below), whose sum is σ = 693547088. Its totient is φ = 346773540.

The previous prime is 520160309. The next prime is 520160323. The reversal of 520160313 is 313061025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 520160313 - 2² = 520160309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520160313.

It is not an unprimeable number, because it can be changed into a prime (520160323) 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, 86693383 + ... + 86693388.

It is an arithmetic number, because the mean of its divisors is an integer number (173386772).

Almost surely, 2^520160313 is an apocalyptic number.

It is an amenable number.

520160313 is a deficient number, since it is larger than the sum of its proper divisors (173386775).

520160313 is a wasteful number, since it uses less digits than its factorization.

520160313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173386774.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 520160313 is about 22807.0233261599. The cubic root of 520160313 is about 804.2277809973.

The spelling of 520160313 in words is "five hundred twenty million, one hundred sixty thousand, three hundred thirteen".