325814505217 has 4 divisors (see below), whose sum is σ = 331155726676. Its totient is φ = 320473283760.

The previous prime is 325814505167. The next prime is 325814505271. The reversal of 325814505217 is 712505418523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712505418523 = 8369 ⋅85136267.

It can be written as a sum of positive squares in 2 ways, for example, as 18021451536 + 307793053681 = 134244^2 + 554791^2 .

It is a cyclic number.

It is not a de Polignac number, because 325814505217 - 2¹¹ = 325814503169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325814505917) 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, 2670610638 + ... + 2670610759.

It is an arithmetic number, because the mean of its divisors is an integer number (82788931669).

Almost surely, 2^325814505217 is an apocalyptic number.

It is an amenable number.

325814505217 is a deficient number, since it is larger than the sum of its proper divisors (5341221459).

325814505217 is an equidigital number, since it uses as much as digits as its factorization.

325814505217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341221458.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 325814505217 in words is "three hundred twenty-five billion, eight hundred fourteen million, five hundred five thousand, two hundred seventeen".