564543 has 32 divisors (see below), whose sum is σ = 998400. Its totient is φ = 308448.

The previous prime is 564533. The next prime is 564593. The reversal of 564543 is 345465.

It is not a de Polignac number, because 564543 - 2¹² = 560447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5430 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (31200).

2⁵⁶⁴⁵⁴³ is an apocalyptic number.

564543 is a deficient number, since it is larger than the sum of its proper divisors (433857).

564543 is a wasteful number, since it uses less digits than its factorization.

564543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 564543 is about 751.3607655448. The cubic root of 564543 is about 82.6479988053.

The spelling of 564543 in words is "five hundred sixty-four thousand, five hundred forty-three".