522585009 has 24 divisors (see below), whose sum is σ = 767212992. Its totient is φ = 342727200.

The previous prime is 522584989. The next prime is 522585013. The reversal of 522585009 is 900585225.

It is not a de Polignac number, because 522585009 - 2⁸ = 522584753 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522585029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146404 + ... + 149930.

It is an arithmetic number, because the mean of its divisors is an integer number (31967208).

Almost surely, 2^522585009 is an apocalyptic number.

It is an amenable number.

522585009 is a deficient number, since it is larger than the sum of its proper divisors (244627983).

522585009 is a wasteful number, since it uses less digits than its factorization.

522585009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 522585009 is about 22860.1183067805. The cubic root of 522585009 is about 805.4754641373.

The spelling of 522585009 in words is "five hundred twenty-two million, five hundred eighty-five thousand, nine".