500506131 has 4 divisors (see below), whose sum is σ = 667341512. Its totient is φ = 333670752.

The previous prime is 500506063. The next prime is 500506183. The reversal of 500506131 is 131605005.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 500506131 - 2⁷ = 500506003 is a prime.

It is a super-2 number, since 2×500506131² = 501012774337178322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500506098 and 500506107.

It is not an unprimeable number, because it can be changed into a prime (500502131) 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, 83417686 + ... + 83417691.

It is an arithmetic number, because the mean of its divisors is an integer number (166835378).

Almost surely, 2^500506131 is an apocalyptic number.

500506131 is a deficient number, since it is larger than the sum of its proper divisors (166835381).

500506131 is a wasteful number, since it uses less digits than its factorization.

500506131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166835380.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 500506131 is about 22371.9943456099. The cubic root of 500506131 is about 793.9682466305.

The spelling of 500506131 in words is "five hundred million, five hundred six thousand, one hundred thirty-one".