508808473 has 2 divisors, whose sum is σ = 508808474. Its totient is φ = 508808472.

The previous prime is 508808437. The next prime is 508808491. The reversal of 508808473 is 374808805.

It is a happy number.

Together with previous prime (508808437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478865689 + 29942784 = 21883^2 + 5472^2 .

It is a cyclic number.

It is not a de Polignac number, because 508808473 - 2⁹ = 508807961 is a prime.

It is not a weakly prime, because it can be changed into another prime (508808873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254404236 + 254404237.

It is an arithmetic number, because the mean of its divisors is an integer number (254404237).

Almost surely, 2^508808473 is an apocalyptic number.

It is an amenable number.

508808473 is a deficient number, since it is larger than the sum of its proper divisors (1).

508808473 is an equidigital number, since it uses as much as digits as its factorization.

508808473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 508808473 is about 22556.7833034766. The cubic root of 508808473 is about 798.3342804844.

The spelling of 508808473 in words is "five hundred eight million, eight hundred eight thousand, four hundred seventy-three".