564213 has 32 divisors (see below), whose sum is σ = 919296. Its totient is φ = 304128.

The previous prime is 564197. The next prime is 564227. The reversal of 564213 is 312465.

It is a happy number.

It is not a de Polignac number, because 564213 - 2⁴ = 564197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 564213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564233) 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, 15231 + ... + 15267.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁵⁶⁴²¹³ is an apocalyptic number.

It is an amenable number.

564213 is a deficient number, since it is larger than the sum of its proper divisors (355083).

564213 is a wasteful number, since it uses less digits than its factorization.

564213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

The product of its digits is 720, while the sum is 21.

The square root of 564213 is about 751.1411318787. The cubic root of 564213 is about 82.6318918801.

Adding to 564213 its reverse (312465), we get a palindrome (876678).

It can be divided in two parts, 564 and 213, that added together give a palindrome (777).

The spelling of 564213 in words is "five hundred sixty-four thousand, two hundred thirteen".