630313601 has 2 divisors, whose sum is σ = 630313602. Its totient is φ = 630313600.

The previous prime is 630313591. The next prime is 630313603. The reversal of 630313601 is 106313036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630010000 + 303601 = 25100^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 630313601 - 2¹⁰ = 630312577 is a prime.

Together with 630313603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (630313603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315156800 + 315156801.

It is an arithmetic number, because the mean of its divisors is an integer number (315156801).

Almost surely, 2^630313601 is an apocalyptic number.

It is an amenable number.

630313601 is a deficient number, since it is larger than the sum of its proper divisors (1).

630313601 is an equidigital number, since it uses as much as digits as its factorization.

630313601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 630313601 is about 25106.0471002506. The cubic root of 630313601 is about 857.4041070622.

Adding to 630313601 its reverse (106313036), we get a palindrome (736626637).

The spelling of 630313601 in words is "six hundred thirty million, three hundred thirteen thousand, six hundred one".