564001603 has 4 divisors (see below), whose sum is σ = 615274488. Its totient is φ = 512728720.

The previous prime is 564001597. The next prime is 564001637. The reversal of 564001603 is 306100465.

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

It is a cyclic number.

It is not a de Polignac number, because 564001603 - 2⁹ = 564001091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564002603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25636426 + ... + 25636447.

It is an arithmetic number, because the mean of its divisors is an integer number (153818622).

Almost surely, 2^564001603 is an apocalyptic number.

564001603 is a deficient number, since it is larger than the sum of its proper divisors (51272885).

564001603 is a wasteful number, since it uses less digits than its factorization.

564001603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51272884.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 564001603 is about 23748.7179232901. The cubic root of 564001603 is about 826.2157053214.

The spelling of 564001603 in words is "five hundred sixty-four million, one thousand, six hundred three".