564836217 has 16 divisors (see below), whose sum is σ = 822040320. Its totient is φ = 342133200.

The previous prime is 564836189. The next prime is 564836243. The reversal of 564836217 is 712638465.

It is not a de Polignac number, because 564836217 - 2¹¹ = 564834169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564836297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74634 + ... + 81852.

It is an arithmetic number, because the mean of its divisors is an integer number (51377520).

Almost surely, 2^564836217 is an apocalyptic number.

It is an amenable number.

564836217 is a deficient number, since it is larger than the sum of its proper divisors (257204103).

564836217 is a wasteful number, since it uses less digits than its factorization.

564836217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604.

The product of its digits is 241920, while the sum is 42.

The square root of 564836217 is about 23766.2831969999. The cubic root of 564836217 is about 826.6230512853.

The spelling of 564836217 in words is "five hundred sixty-four million, eight hundred thirty-six thousand, two hundred seventeen".