564217 has 8 divisors (see below), whose sum is σ = 586080. Its totient is φ = 542880.

The previous prime is 564197. The next prime is 564227. The reversal of 564217 is 712465.

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

It is a cyclic number.

It is not a de Polignac number, because 564217 - 2⁷ = 564089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564191 and 564200.

It is not an unprimeable number, because it can be changed into a prime (564227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4242 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (73260).

2⁵⁶⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

564217 is a deficient number, since it is larger than the sum of its proper divisors (21863).

564217 is a wasteful number, since it uses less digits than its factorization.

564217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263.

The product of its digits is 1680, while the sum is 25.

The square root of 564217 is about 751.1437944894. The cubic root of 564217 is about 82.6320871532.

The spelling of 564217 in words is "five hundred sixty-four thousand, two hundred seventeen".