630814313 has 4 divisors (see below), whose sum is σ = 640229520. Its totient is φ = 621399108.

The previous prime is 630814309. The next prime is 630814361. The reversal of 630814313 is 313418036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630814313 - 2² = 630814309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632814313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707503 + ... + 4707636.

It is an arithmetic number, because the mean of its divisors is an integer number (160057380).

Almost surely, 2^630814313 is an apocalyptic number.

It is an amenable number.

630814313 is a deficient number, since it is larger than the sum of its proper divisors (9415207).

630814313 is an equidigital number, since it uses as much as digits as its factorization.

630814313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415206.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 630814313 is about 25116.0170608319. The cubic root of 630814313 is about 857.6310834408.

The spelling of 630814313 in words is "six hundred thirty million, eight hundred fourteen thousand, three hundred thirteen".