520131 has 8 divisors (see below), whose sum is σ = 697104. Its totient is φ = 344960.

The previous prime is 520129. The next prime is 520151. The reversal of 520131 is 131025.

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 520131 - 2¹ = 520129 is a prime.

It is a super-2 number, since 2×520131² = 541072514322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520111) 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, 535 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (87138).

2⁵²⁰¹³¹ is an apocalyptic number.

520131 is a deficient number, since it is larger than the sum of its proper divisors (176973).

520131 is a wasteful number, since it uses less digits than its factorization.

520131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 520131 is about 721.2010815300. The cubic root of 520131 is about 80.4212673622.

Adding to 520131 its reverse (131025), we get a palindrome (651156).

The spelling of 520131 in words is "five hundred twenty thousand, one hundred thirty-one".