564453249 has 4 divisors (see below), whose sum is σ = 752604336. Its totient is φ = 376302164.

The previous prime is 564453223. The next prime is 564453257. The reversal of 564453249 is 942354465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564453249 - 2¹⁷ = 564322177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564453249.

It is not an unprimeable number, because it can be changed into a prime (564453209) 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, 94075539 + ... + 94075544.

It is an arithmetic number, because the mean of its divisors is an integer number (188151084).

Almost surely, 2^564453249 is an apocalyptic number.

It is an amenable number.

564453249 is a deficient number, since it is larger than the sum of its proper divisors (188151087).

564453249 is a wasteful number, since it uses less digits than its factorization.

564453249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188151086.

The product of its digits is 518400, while the sum is 42.

The square root of 564453249 is about 23758.2248705580. The cubic root of 564453249 is about 826.4361878249.

The spelling of 564453249 in words is "five hundred sixty-four million, four hundred fifty-three thousand, two hundred forty-nine".