630813375 has 48 divisors (see below), whose sum is σ = 1154256480. Its totient is φ = 331372800.

The previous prime is 630813317. The next prime is 630813401. The reversal of 630813375 is 573318036.

630813375 is a `hidden beast` number, since 630 + 8 + 13 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 630813375 - 2¹⁵ = 630780607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71191 + ... + 79559.

It is an arithmetic number, because the mean of its divisors is an integer number (24047010).

Almost surely, 2^630813375 is an apocalyptic number.

630813375 is a deficient number, since it is larger than the sum of its proper divisors (523443105).

630813375 is a wasteful number, since it uses less digits than its factorization.

630813375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 630813375 is about 25115.9983874820. The cubic root of 630813375 is about 857.6306583509.

It can be divided in two parts, 6308 and 13375, that added together give a 9-th power (19683 = 3⁹).

The spelling of 630813375 in words is "six hundred thirty million, eight hundred thirteen thousand, three hundred seventy-five".