565000515217 has 4 divisors (see below), whose sum is σ = 565153594096. Its totient is φ = 564847436340.

The previous prime is 565000515203. The next prime is 565000515227. The reversal of 565000515217 is 712515000565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712515000565 = 5 ⋅142503000113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565000515217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565000515227) 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 3 ways as a sum of consecutive naturals, for example, 76533903 + ... + 76541284.

It is an arithmetic number, because the mean of its divisors is an integer number (141288398524).

Almost surely, 2^565000515217 is an apocalyptic number.

It is an amenable number.

565000515217 is a deficient number, since it is larger than the sum of its proper divisors (153078879).

565000515217 is a wasteful number, since it uses less digits than its factorization.

565000515217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153078878.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 565000515217 in words is "five hundred sixty-five billion, five hundred fifteen thousand, two hundred seventeen".