500131 has 4 divisors (see below), whose sum is σ = 501552. Its totient is φ = 498712.

The previous prime is 500119. The next prime is 500153. The reversal of 500131 is 131005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500131 is a prime.

It is a super-2 number, since 2×500131² = 500262034322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (125388).

2⁵⁰⁰¹³¹ is an apocalyptic number.

500131 is a deficient number, since it is larger than the sum of its proper divisors (1421).

500131 is an equidigital number, since it uses as much as digits as its factorization.

500131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 500131 is about 707.1994061083. The cubic root of 500131 is about 79.3769836444.

Adding to 500131 its reverse (131005), we get a palindrome (631136).

The spelling of 500131 in words is "five hundred thousand, one hundred thirty-one".