564194505 has 16 divisors (see below), whose sum is σ = 1031670144. Its totient is φ = 257917440.

The previous prime is 564194489. The next prime is 564194509. The reversal of 564194505 is 505491465.

It is not a de Polignac number, because 564194505 - 2⁴ = 564194489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564194509) by changing a digit.

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, 2686536 + ... + 2686745.

It is an arithmetic number, because the mean of its divisors is an integer number (64479384).

Almost surely, 2^564194505 is an apocalyptic number.

It is an amenable number.

564194505 is a deficient number, since it is larger than the sum of its proper divisors (467475639).

564194505 is a wasteful number, since it uses less digits than its factorization.

564194505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373296.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 564194505 is about 23752.7788900583. The cubic root of 564194505 is about 826.3098897434.

The spelling of 564194505 in words is "five hundred sixty-four million, one hundred ninety-four thousand, five hundred five".