630654512 has 20 divisors (see below), whose sum is σ = 1250310600. Its totient is φ = 307993728.

The previous prime is 630654511. The next prime is 630654523. The reversal of 630654512 is 215456036.

It is a super-2 number, since 2×630654512² = 795450227011916288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630654511) 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, 457637 + ... + 459012.

It is an arithmetic number, because the mean of its divisors is an integer number (62515530).

Almost surely, 2^630654512 is an apocalyptic number.

It is an amenable number.

630654512 is a deficient number, since it is larger than the sum of its proper divisors (619656088).

630654512 is a wasteful number, since it uses less digits than its factorization.

630654512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916700 (or 916694 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 630654512 is about 25112.8356025360. The cubic root of 630654512 is about 857.5586575428.

The spelling of 630654512 in words is "six hundred thirty million, six hundred fifty-four thousand, five hundred twelve".