325566105217 has 4 divisors (see below), whose sum is σ = 325579305940. Its totient is φ = 325552904496.

The previous prime is 325566105191. The next prime is 325566105229. The reversal of 325566105217 is 712501665523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712501665523 = 41 ⋅17378089403.

It can be written as a sum of positive squares in 2 ways, for example, as 172803164416 + 152762940801 = 415696^2 + 390849^2 .

It is a cyclic number.

It is not a de Polignac number, because 325566105217 - 2⁷ = 325566105089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325566100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563298 + ... + 6612715.

It is an arithmetic number, because the mean of its divisors is an integer number (81394826485).

Almost surely, 2^325566105217 is an apocalyptic number.

It is an amenable number.

325566105217 is a deficient number, since it is larger than the sum of its proper divisors (13200723).

325566105217 is a wasteful number, since it uses less digits than its factorization.

325566105217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200722.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 325566105217 in words is "three hundred twenty-five billion, five hundred sixty-six million, one hundred five thousand, two hundred seventeen".