520163 has 8 divisors (see below), whose sum is σ = 625920. Its totient is φ = 422280.

The previous prime is 520151. The next prime is 520193. The reversal of 520163 is 361025.

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 520163 - 2⁸ = 519907 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520163.

It is not an unprimeable number, because it can be changed into a prime (520103) 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, 1823 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (78240).

2⁵²⁰¹⁶³ is an apocalyptic number.

520163 is a deficient number, since it is larger than the sum of its proper divisors (105757).

520163 is a wasteful number, since it uses less digits than its factorization.

520163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 520163 is about 721.2232664023. The cubic root of 520163 is about 80.4229165799.

Adding to 520163 its reverse (361025), we get a palindrome (881188).

The spelling of 520163 in words is "five hundred twenty thousand, one hundred sixty-three".