564531 has 8 divisors (see below), whose sum is σ = 821184. Its totient is φ = 342120.

The previous prime is 564523. The next prime is 564533. The reversal of 564531 is 135465.

564531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 564531 - 2³ = 564523 is a prime.

It is a super-2 number, since 2×564531² = 637390499922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564533) 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, 8521 + ... + 8586.

It is an arithmetic number, because the mean of its divisors is an integer number (102648).

2⁵⁶⁴⁵³¹ is an apocalyptic number.

564531 is a deficient number, since it is larger than the sum of its proper divisors (256653).

564531 is a wasteful number, since it uses less digits than its factorization.

564531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121.

The product of its digits is 1800, while the sum is 24.

The square root of 564531 is about 751.3527799909. The cubic root of 564531 is about 82.6474132089.

Adding to 564531 its reverse (135465), we get a palindrome (699996).

The spelling of 564531 in words is "five hundred sixty-four thousand, five hundred thirty-one".