564541 has 4 divisors (see below), whose sum is σ = 582784. Its totient is φ = 546300.

The previous prime is 564533. The next prime is 564593. The reversal of 564541 is 145465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564541 - 2³ = 564533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564041) 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, 9075 + ... + 9136.

It is an arithmetic number, because the mean of its divisors is an integer number (145696).

2⁵⁶⁴⁵⁴¹ is an apocalyptic number.

It is an amenable number.

564541 is a deficient number, since it is larger than the sum of its proper divisors (18243).

564541 is a wasteful number, since it uses less digits than its factorization.

564541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18242.

The product of its digits is 2400, while the sum is 25.

The square root of 564541 is about 751.3594346250. The cubic root of 564541 is about 82.6479012065.

It can be divided in two parts, 5 and 64541, that added together give a palindrome (64546).

The spelling of 564541 in words is "five hundred sixty-four thousand, five hundred forty-one".