564417997 has 16 divisors (see below), whose sum is σ = 669674880. Its totient is φ = 468936000.

The previous prime is 564417977. The next prime is 564418027. The reversal of 564417997 is 799714465.

It is not a de Polignac number, because 564417997 - 2¹¹ = 564415949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564417977) 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, 5097 + ... + 33982.

It is an arithmetic number, because the mean of its divisors is an integer number (41854680).

Almost surely, 2^564417997 is an apocalyptic number.

It is an amenable number.

564417997 is a deficient number, since it is larger than the sum of its proper divisors (105256883).

564417997 is a wasteful number, since it uses less digits than its factorization.

564417997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39204.

The product of its digits is 1905120, while the sum is 52.

The square root of 564417997 is about 23757.4829685301. The cubic root of 564417997 is about 826.4189828954.

The spelling of 564417997 in words is "five hundred sixty-four million, four hundred seventeen thousand, nine hundred ninety-seven".