2560564217 has 8 divisors (see below), whose sum is σ = 2672457216. Its totient is φ = 2448718272.

The previous prime is 2560564213. The next prime is 2560564271. The reversal of 2560564217 is 7124650652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2560564217 - 2² = 2560564213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2560564213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142808 + ... + 159734.

It is an arithmetic number, because the mean of its divisors is an integer number (334057152).

Almost surely, 2^2560564217 is an apocalyptic number.

It is an amenable number.

2560564217 is a deficient number, since it is larger than the sum of its proper divisors (111892999).

2560564217 is a wasteful number, since it uses less digits than its factorization.

2560564217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23527.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2560564217 is about 50602.0179143085. The cubic root of 2560564217 is about 1368.0812496984.

The spelling of 2560564217 in words is "two billion, five hundred sixty million, five hundred sixty-four thousand, two hundred seventeen".