508272813 has 10 divisors (see below), whose sum is σ = 759271854. Its totient is φ = 338848488.

The previous prime is 508272803. The next prime is 508272829. The reversal of 508272813 is 318272805.

508272813 is a `hidden beast` number, since 508 + 2 + 72 + 81 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 505440324 + 2832489 = 22482^2 + 1683^2 .

It is not a de Polignac number, because 508272813 - 2⁹ = 508272301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508272803) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3137406 + ... + 3137567.

Almost surely, 2^508272813 is an apocalyptic number.

It is an amenable number.

508272813 is a deficient number, since it is larger than the sum of its proper divisors (250999041).

508272813 is an equidigital number, since it uses as much as digits as its factorization.

508272813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274985 (or 6274976 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 508272813 is about 22544.9065866328. The cubic root of 508272813 is about 798.0540270957.

The spelling of 508272813 in words is "five hundred eight million, two hundred seventy-two thousand, eight hundred thirteen".