630391315 has 8 divisors (see below), whose sum is σ = 756998928. Its totient is φ = 503960160.

The previous prime is 630391313. The next prime is 630391319. The reversal of 630391315 is 513193036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 630391315 - 2¹ = 630391313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630391313) 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 7 ways as a sum of consecutive naturals, for example, 36121 + ... + 50650.

It is an arithmetic number, because the mean of its divisors is an integer number (94624866).

Almost surely, 2^630391315 is an apocalyptic number.

630391315 is a deficient number, since it is larger than the sum of its proper divisors (126607613).

630391315 is a wasteful number, since it uses less digits than its factorization.

630391315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88229.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 630391315 is about 25107.5947673209. The cubic root of 630391315 is about 857.4393432602.

The spelling of 630391315 in words is "six hundred thirty million, three hundred ninety-one thousand, three hundred fifteen".