564542653 has 8 divisors (see below), whose sum is σ = 586237176. Its totient is φ = 543225600.

The previous prime is 564542609. The next prime is 564542717. The reversal of 564542653 is 356245465.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84143929 + 480398724 = 9173^2 + 21918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564542653 - 2¹⁷ = 564411581 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 (564542353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91318 + ... + 97303.

It is an arithmetic number, because the mean of its divisors is an integer number (73279647).

Almost surely, 2^564542653 is an apocalyptic number.

It is an amenable number.

564542653 is a deficient number, since it is larger than the sum of its proper divisors (21694523).

564542653 is a wasteful number, since it uses less digits than its factorization.

564542653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188735.

The product of its digits is 432000, while the sum is 40.

The square root of 564542653 is about 23760.1063339371. The cubic root of 564542653 is about 826.4798187193.

The spelling of 564542653 in words is "five hundred sixty-four million, five hundred forty-two thousand, six hundred fifty-three".