630873285 has 48 divisors (see below), whose sum is σ = 1193530752. Its totient is φ = 283651200.

The previous prime is 630873277. The next prime is 630873293. The reversal of 630873285 is 582378036.

630873285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (630873277) and next prime (630873293).

It is not a de Polignac number, because 630873285 - 2³ = 630873277 is a prime.

It is a super-2 number, since 2×630873285² = 796002203453382450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 37800 + ... + 51870.

It is an arithmetic number, because the mean of its divisors is an integer number (24865224).

Almost surely, 2^630873285 is an apocalyptic number.

It is an amenable number.

630873285 is a deficient number, since it is larger than the sum of its proper divisors (562657467).

630873285 is a wasteful number, since it uses less digits than its factorization.

630873285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14154 (or 14147 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 630873285 is about 25117.1910252719. The cubic root of 630873285 is about 857.6578079688.

The spelling of 630873285 in words is "six hundred thirty million, eight hundred seventy-three thousand, two hundred eighty-five".