632604689 has 2 divisors, whose sum is σ = 632604690. Its totient is φ = 632604688.

The previous prime is 632604671. The next prime is 632604701. The reversal of 632604689 is 986406236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 626651089 + 5953600 = 25033^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 632604689 - 2¹² = 632600593 is a prime.

It is not a weakly prime, because it can be changed into another prime (632604649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316302344 + 316302345.

It is an arithmetic number, because the mean of its divisors is an integer number (316302345).

Almost surely, 2^632604689 is an apocalyptic number.

It is an amenable number.

632604689 is a deficient number, since it is larger than the sum of its proper divisors (1).

632604689 is an equidigital number, since it uses as much as digits as its factorization.

632604689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 632604689 is about 25151.6339230675. The cubic root of 632604689 is about 858.4416926781.

The spelling of 632604689 in words is "six hundred thirty-two million, six hundred four thousand, six hundred eighty-nine".