506009564 has 6 divisors (see below), whose sum is σ = 885516744. Its totient is φ = 253004780.

The previous prime is 506009561. The next prime is 506009599. The reversal of 506009564 is 465900605.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506009561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63251192 + ... + 63251199.

It is an arithmetic number, because the mean of its divisors is an integer number (147586124).

Almost surely, 2^506009564 is an apocalyptic number.

It is an amenable number.

506009564 is a deficient number, since it is larger than the sum of its proper divisors (379507180).

506009564 is a wasteful number, since it uses less digits than its factorization.

506009564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126502395 (or 126502393 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 506009564 is about 22494.6563432296. The cubic root of 506009564 is about 796.8677333880.

The spelling of 506009564 in words is "five hundred six million, nine thousand, five hundred sixty-four".