630540512 has 24 divisors (see below), whose sum is σ = 1418716656. Its totient is φ = 270231552.

The previous prime is 630540503. The next prime is 630540571. The reversal of 630540512 is 215045036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407233 + ... + 1407680.

It is an arithmetic number, because the mean of its divisors is an integer number (59113194).

Almost surely, 2^630540512 is an apocalyptic number.

It is an amenable number.

630540512 is an abundant number, since it is smaller than the sum of its proper divisors (788176144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630540512 is a wasteful number, since it uses less digits than its factorization.

630540512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814930 (or 2814922 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 630540512 is about 25110.5657443236. The cubic root of 630540512 is about 857.5069823513.

Adding to 630540512 its reverse (215045036), we get a palindrome (845585548).

The spelling of 630540512 in words is "six hundred thirty million, five hundred forty thousand, five hundred twelve".