564539 has 4 divisors (see below), whose sum is σ = 567840. Its totient is φ = 561240.

The previous prime is 564533. The next prime is 564593. The reversal of 564539 is 935465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564539 - 2⁴ = 564523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2⁵⁶⁴⁵³⁹ is an apocalyptic number.

564539 is a deficient number, since it is larger than the sum of its proper divisors (3301).

564539 is a wasteful number, since it uses less digits than its factorization.

564539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its digits is 16200, while the sum is 32.

The square root of 564539 is about 751.3581037029. The cubic root of 564539 is about 82.6478036074.

The spelling of 564539 in words is "five hundred sixty-four thousand, five hundred thirty-nine".