508328813 has 2 divisors, whose sum is σ = 508328814. Its totient is φ = 508328812.

The previous prime is 508328801. The next prime is 508328827. The reversal of 508328813 is 318823805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456805129 + 51523684 = 21373^2 + 7178^2 .

It is a cyclic number.

It is not a de Polignac number, because 508328813 - 2⁴ = 508328797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508328833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254164406 + 254164407.

It is an arithmetic number, because the mean of its divisors is an integer number (254164407).

Almost surely, 2^508328813 is an apocalyptic number.

It is an amenable number.

508328813 is a deficient number, since it is larger than the sum of its proper divisors (1).

508328813 is an equidigital number, since it uses as much as digits as its factorization.

508328813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 508328813 is about 22546.1485180951. The cubic root of 508328813 is about 798.0833350993.

The spelling of 508328813 in words is "five hundred eight million, three hundred twenty-eight thousand, eight hundred thirteen".