508790897 has 2 divisors, whose sum is σ = 508790898. Its totient is φ = 508790896.

The previous prime is 508790837. The next prime is 508790917. The reversal of 508790897 is 798097805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268664881 + 240126016 = 16391^2 + 15496^2 .

It is a cyclic number.

It is not a de Polignac number, because 508790897 - 2⁸ = 508790641 is a prime.

It is not a weakly prime, because it can be changed into another prime (508790837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254395448 + 254395449.

It is an arithmetic number, because the mean of its divisors is an integer number (254395449).

Almost surely, 2^508790897 is an apocalyptic number.

It is an amenable number.

508790897 is a deficient number, since it is larger than the sum of its proper divisors (1).

508790897 is an equidigital number, since it uses as much as digits as its factorization.

508790897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 508790897 is about 22556.3937055550. The cubic root of 508790897 is about 798.3250879719.

The spelling of 508790897 in words is "five hundred eight million, seven hundred ninety thousand, eight hundred ninety-seven".