630407313 has 16 divisors (see below), whose sum is σ = 935107200. Its totient is φ = 419744880.

The previous prime is 630407303. The next prime is 630407417. The reversal of 630407313 is 313704036.

It is a happy number.

It is not a de Polignac number, because 630407313 - 2¹⁰ = 630406289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (630407303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7948 + ... + 36386.

It is an arithmetic number, because the mean of its divisors is an integer number (58444200).

Almost surely, 2^630407313 is an apocalyptic number.

It is an amenable number.

630407313 is a deficient number, since it is larger than the sum of its proper divisors (304699887).

630407313 is a wasteful number, since it uses less digits than its factorization.

630407313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29269 (or 29263 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 630407313 is about 25107.9133541599. The cubic root of 630407313 is about 857.4465965320.

The spelling of 630407313 in words is "six hundred thirty million, four hundred seven thousand, three hundred thirteen".