630708601 has 2 divisors, whose sum is σ = 630708602. Its totient is φ = 630708600.

The previous prime is 630708593. The next prime is 630708613. The reversal of 630708601 is 106807036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361912576 + 268796025 = 19024^2 + 16395^2 .

It is a cyclic number.

It is not a de Polignac number, because 630708601 - 2³ = 630708593 is a prime.

It is not a weakly prime, because it can be changed into another prime (630708301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315354300 + 315354301.

It is an arithmetic number, because the mean of its divisors is an integer number (315354301).

Almost surely, 2^630708601 is an apocalyptic number.

It is an amenable number.

630708601 is a deficient number, since it is larger than the sum of its proper divisors (1).

630708601 is an equidigital number, since it uses as much as digits as its factorization.

630708601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 630708601 is about 25113.9124988521. The cubic root of 630708601 is about 857.5831734298.

The spelling of 630708601 in words is "six hundred thirty million, seven hundred eight thousand, six hundred one".