500663131 has 4 divisors (see below), whose sum is σ = 501099264. Its totient is φ = 500227000.

The previous prime is 500663123. The next prime is 500663153. The reversal of 500663131 is 131366005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131366005 = 5 ⋅26273201.

It is a cyclic number.

It is not a de Polignac number, because 500663131 - 2³ = 500663123 is a prime.

It is a super-2 number, since 2×500663131² = 501327141485446322, 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 = 500663096 and 500663105.

It is not an unprimeable number, because it can be changed into a prime (500663101) 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, 216340 + ... + 218641.

It is an arithmetic number, because the mean of its divisors is an integer number (125274816).

Almost surely, 2^500663131 is an apocalyptic number.

500663131 is a deficient number, since it is larger than the sum of its proper divisors (436133).

500663131 is a wasteful number, since it uses less digits than its factorization.

500663131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436132.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 500663131 is about 22375.5029217222. The cubic root of 500663131 is about 794.0512559255.

The spelling of 500663131 in words is "five hundred million, six hundred sixty-three thousand, one hundred thirty-one".