630000937 has 2 divisors, whose sum is σ = 630000938. Its totient is φ = 630000936.

The previous prime is 630000923. The next prime is 630000947. The reversal of 630000937 is 739000036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629207056 + 793881 = 25084^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 630000937 - 2⁷ = 630000809 is a prime.

It is not a weakly prime, because it can be changed into another prime (630000947) 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, 315000468 + 315000469.

It is an arithmetic number, because the mean of its divisors is an integer number (315000469).

Almost surely, 2^630000937 is an apocalyptic number.

It is an amenable number.

630000937 is a deficient number, since it is larger than the sum of its proper divisors (1).

630000937 is an equidigital number, since it uses as much as digits as its factorization.

630000937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 630000937 is about 25099.8194615021. The cubic root of 630000937 is about 857.2623132335.

The spelling of 630000937 in words is "six hundred thirty million, nine hundred thirty-seven", and thus it is an aban number.