564503345 has 16 divisors (see below), whose sum is σ = 781697280. Its totient is φ = 383327424.

The previous prime is 564503297. The next prime is 564503353. The reversal of 564503345 is 543305465.

It is a cyclic number.

It is not a de Polignac number, because 564503345 - 2¹⁴ = 564486961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 74690 + ... + 81899.

It is an arithmetic number, because the mean of its divisors is an integer number (48856080).

Almost surely, 2^564503345 is an apocalyptic number.

It is an amenable number.

564503345 is a deficient number, since it is larger than the sum of its proper divisors (217193935).

564503345 is a wasteful number, since it uses less digits than its factorization.

564503345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156704.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 564503345 is about 23759.2791346876. The cubic root of 564503345 is about 826.4606362166.

It can be divided in two parts, 56450 and 3345, that added together give a palindrome (59795).

The spelling of 564503345 in words is "five hundred sixty-four million, five hundred three thousand, three hundred forty-five".