564317293 has 4 divisors (see below), whose sum is σ = 583776540. Its totient is φ = 544858048.

The previous prime is 564317287. The next prime is 564317311. The reversal of 564317293 is 392713465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419307529 + 145009764 = 20477^2 + 12042^2 .

It is a cyclic number.

It is not a de Polignac number, because 564317293 - 2¹⁷ = 564186221 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 (564317263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9729580 + ... + 9729637.

It is an arithmetic number, because the mean of its divisors is an integer number (145944135).

Almost surely, 2^564317293 is an apocalyptic number.

It is an amenable number.

564317293 is a deficient number, since it is larger than the sum of its proper divisors (19459247).

564317293 is a wasteful number, since it uses less digits than its factorization.

564317293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459246.

The product of its digits is 136080, while the sum is 40.

The square root of 564317293 is about 23755.3634575436. The cubic root of 564317293 is about 826.3698298163.

The spelling of 564317293 in words is "five hundred sixty-four million, three hundred seventeen thousand, two hundred ninety-three".