630608801 has 2 divisors, whose sum is σ = 630608802. Its totient is φ = 630608800.

The previous prime is 630608773. The next prime is 630608807. The reversal of 630608801 is 108806036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461218576 + 169390225 = 21476^2 + 13015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630608801 is a prime.

It is not a weakly prime, because it can be changed into another prime (630608807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315304400 + 315304401.

It is an arithmetic number, because the mean of its divisors is an integer number (315304401).

Almost surely, 2^630608801 is an apocalyptic number.

It is an amenable number.

630608801 is a deficient number, since it is larger than the sum of its proper divisors (1).

630608801 is an equidigital number, since it uses as much as digits as its factorization.

630608801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 630608801 is about 25111.9254737664. The cubic root of 630608801 is about 857.5379378988.

The spelling of 630608801 in words is "six hundred thirty million, six hundred eight thousand, eight hundred one".