564542 has 16 divisors (see below), whose sum is σ = 940032. Its totient is φ = 252120.

The previous prime is 564533. The next prime is 564593. The reversal of 564542 is 245465.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁵⁶⁴⁵⁴² is an apocalyptic number.

564542 is a deficient number, since it is larger than the sum of its proper divisors (375490).

564542 is a wasteful number, since it uses less digits than its factorization.

564542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 4800, while the sum is 26.

The square root of 564542 is about 751.3601000852. The cubic root of 564542 is about 82.6479500059.

The spelling of 564542 in words is "five hundred sixty-four thousand, five hundred forty-two".