564733 has 4 divisors (see below), whose sum is σ = 608188. Its totient is φ = 521280.

The previous prime is 564713. The next prime is 564761. The reversal of 564733 is 337465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 337465 = 5 ⋅67493.

It can be written as a sum of positive squares in 2 ways, for example, as 131769 + 432964 = 363^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 564733 - 2⁵ = 564701 is a prime.

It is a super-2 number, since 2×564733² = 637846722578, which contains 22 as substring.

It is a Duffinian number.

564733 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21708 + ... + 21733.

It is an arithmetic number, because the mean of its divisors is an integer number (152047).

2⁵⁶⁴⁷³³ is an apocalyptic number.

It is an amenable number.

564733 is a deficient number, since it is larger than the sum of its proper divisors (43455).

564733 is a wasteful number, since it uses less digits than its factorization.

564733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43454.

The product of its digits is 7560, while the sum is 28.

The square root of 564733 is about 751.4871921730. The cubic root of 564733 is about 82.6572696423.

The spelling of 564733 in words is "five hundred sixty-four thousand, seven hundred thirty-three".