608994931 has 2 divisors, whose sum is σ = 608994932. Its totient is φ = 608994930.

The previous prime is 608994923. The next prime is 608994941. The reversal of 608994931 is 139499806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608994931 - 2³ = 608994923 is a prime.

It is a super-2 number, since 2×608994931² = 741749651967389522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (608994941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304497465 + 304497466.

It is an arithmetic number, because the mean of its divisors is an integer number (304497466).

Almost surely, 2^608994931 is an apocalyptic number.

608994931 is a deficient number, since it is larger than the sum of its proper divisors (1).

608994931 is an equidigital number, since it uses as much as digits as its factorization.

608994931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 608994931 is about 24677.8226551696. The cubic root of 608994931 is about 847.6265650411.

The spelling of 608994931 in words is "six hundred eight million, nine hundred ninety-four thousand, nine hundred thirty-one".