630313563 has 24 divisors (see below), whose sum is σ = 929197584. Its totient is φ = 379762240.

The previous prime is 630313559. The next prime is 630313571. The reversal of 630313563 is 365313036.

630313563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630313563 - 2² = 630313559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630313563.

It is not an unprimeable number, because it can be changed into a prime (630313553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57781 + ... + 67817.

It is an arithmetic number, because the mean of its divisors is an integer number (38716566).

Almost surely, 2^630313563 is an apocalyptic number.

630313563 is a deficient number, since it is larger than the sum of its proper divisors (298884021).

630313563 is a wasteful number, since it uses less digits than its factorization.

630313563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235 (or 10224 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 30.

The square root of 630313563 is about 25106.0463434608. The cubic root of 630313563 is about 857.4040898320.

Adding to 630313563 its reverse (365313036), we get a palindrome (995626599).

The spelling of 630313563 in words is "six hundred thirty million, three hundred thirteen thousand, five hundred sixty-three".