506564530 has 8 divisors (see below), whose sum is σ = 911816172. Its totient is φ = 202625808.

The previous prime is 506564507. The next prime is 506564537. The reversal of 506564530 is 35465605.

It can be written as a sum of positive squares in 2 ways, for example, as 429774361 + 76790169 = 20731^2 + 8763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (506564537) 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, 25328217 + ... + 25328236.

Almost surely, 2^506564530 is an apocalyptic number.

506564530 is a deficient number, since it is larger than the sum of its proper divisors (405251642).

506564530 is a wasteful number, since it uses less digits than its factorization.

506564530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50656460.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 506564530 is about 22506.9884702507. The cubic root of 506564530 is about 797.1589485184.

The spelling of 506564530 in words is "five hundred six million, five hundred sixty-four thousand, five hundred thirty".