500536731 has 4 divisors (see below), whose sum is σ = 667382312. Its totient is φ = 333691152.

The previous prime is 500536697. The next prime is 500536739. The reversal of 500536731 is 137635005.

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

It is not a de Polignac number, because 500536731 - 2⁶ = 500536667 is a prime.

It is a super-2 number, since 2×500536731² = 501074038160332722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500536739) 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, 83422786 + ... + 83422791.

It is an arithmetic number, because the mean of its divisors is an integer number (166845578).

Almost surely, 2^500536731 is an apocalyptic number.

500536731 is a deficient number, since it is larger than the sum of its proper divisors (166845581).

500536731 is a wasteful number, since it uses less digits than its factorization.

500536731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166845580.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 500536731 is about 22372.6782259076. The cubic root of 500536731 is about 793.9844268741.

The spelling of 500536731 in words is "five hundred million, five hundred thirty-six thousand, seven hundred thirty-one".