630605597 has 2 divisors, whose sum is σ = 630605598. Its totient is φ = 630605596.

The previous prime is 630605561. The next prime is 630605659. The reversal of 630605597 is 795506036.

630605597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 311840281 = 17854^2 + 17659^2 .

It is a cyclic number.

It is not a de Polignac number, because 630605597 - 2⁸ = 630605341 is a prime.

It is a super-3 number, since 3×630605597³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630605557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315302798 + 315302799.

It is an arithmetic number, because the mean of its divisors is an integer number (315302799).

Almost surely, 2^630605597 is an apocalyptic number.

It is an amenable number.

630605597 is a deficient number, since it is larger than the sum of its proper divisors (1).

630605597 is an equidigital number, since it uses as much as digits as its factorization.

630605597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 630605597 is about 25111.8616792941. The cubic root of 630605597 is about 857.5364855689.

The spelling of 630605597 in words is "six hundred thirty million, six hundred five thousand, five hundred ninety-seven".