530645656 has 16 divisors (see below), whose sum is σ = 995286600. Its totient is φ = 265235904.

The previous prime is 530645641. The next prime is 530645663. The reversal of 530645656 is 656546035.

It is a happy number.

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, 20355 + ... + 38413.

Almost surely, 2^530645656 is an apocalyptic number.

It is an amenable number.

530645656 is a deficient number, since it is larger than the sum of its proper divisors (464640944).

530645656 is a wasteful number, since it uses less digits than its factorization.

530645656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738 (or 21734 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 530645656 is about 23035.7473505854. The cubic root of 530645656 is about 809.5957216402.

The spelling of 530645656 in words is "five hundred thirty million, six hundred forty-five thousand, six hundred fifty-six".