564140505 has 16 divisors (see below), whose sum is σ = 917423424. Its totient is φ = 295942080.

The previous prime is 564140503. The next prime is 564140513. The reversal of 564140505 is 505041465.

It is not a de Polignac number, because 564140505 - 2¹ = 564140503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564140503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307359 + ... + 309188.

It is an arithmetic number, because the mean of its divisors is an integer number (57338964).

Almost surely, 2^564140505 is an apocalyptic number.

It is an amenable number.

564140505 is a deficient number, since it is larger than the sum of its proper divisors (353282919).

564140505 is a wasteful number, since it uses less digits than its factorization.

564140505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616616.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 564140505 is about 23751.6421537543. The cubic root of 564140505 is about 826.2835264017.

The spelling of 564140505 in words is "five hundred sixty-four million, one hundred forty thousand, five hundred five".