520788163 has 8 divisors (see below), whose sum is σ = 595324928. Its totient is φ = 446286024.

The previous prime is 520788139. The next prime is 520788181. The reversal of 520788163 is 361887025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520788163 - 2⁵ = 520788131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520788113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51070 + ... + 60412.

It is an arithmetic number, because the mean of its divisors is an integer number (74415616).

Almost surely, 2^520788163 is an apocalyptic number.

520788163 is a deficient number, since it is larger than the sum of its proper divisors (74536765).

520788163 is an equidigital number, since it uses as much as digits as its factorization.

520788163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17313.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 520788163 is about 22820.7835755042. The cubic root of 520788163 is about 804.5512270443.

The spelling of 520788163 in words is "five hundred twenty million, seven hundred eighty-eight thousand, one hundred sixty-three".