564289 has 8 divisors (see below), whose sum is σ = 630432. Its totient is φ = 500640.

The previous prime is 564271. The next prime is 564299. The reversal of 564289 is 982465.

It is a happy number.

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 564289 - 2⁵ = 564257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (78804).

2⁵⁶⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

564289 is a deficient number, since it is larger than the sum of its proper divisors (66143).

564289 is a wasteful number, since it uses less digits than its factorization.

564289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its digits is 17280, while the sum is 34.

The square root of 564289 is about 751.1917198692. The cubic root of 564289 is about 82.6356019103.

The spelling of 564289 in words is "five hundred sixty-four thousand, two hundred eighty-nine".