500800831 has 2 divisors, whose sum is σ = 500800832. Its totient is φ = 500800830.

The previous prime is 500800819. The next prime is 500800837. The reversal of 500800831 is 138008005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500800831 - 2⁵ = 500800799 is a prime.

It is a super-2 number, since 2×500800831² = 501602944660581122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500800796 and 500800805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500800837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250400415 + 250400416.

It is an arithmetic number, because the mean of its divisors is an integer number (250400416).

Almost surely, 2^500800831 is an apocalyptic number.

500800831 is a deficient number, since it is larger than the sum of its proper divisors (1).

500800831 is an equidigital number, since it uses as much as digits as its factorization.

500800831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 500800831 is about 22378.5797359886. The cubic root of 500800831 is about 794.1240466095.

Adding to 500800831 its reverse (138008005), we get a palindrome (638808836).

The spelling of 500800831 in words is "five hundred million, eight hundred thousand, eight hundred thirty-one".