325882318621 has 4 divisors (see below), whose sum is σ = 334689948892. Its totient is φ = 317074688352.

The previous prime is 325882318561. The next prime is 325882318627. The reversal of 325882318621 is 126813288523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126813288523 = 1193 ⋅106297811.

It can be written as a sum of positive squares in 2 ways, for example, as 211899105625 + 113983212996 = 460325^2 + 337614^2 .

It is a cyclic number.

It is not a de Polignac number, because 325882318621 - 2²³ = 325873930013 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 (325882318627) 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, 4403815080 + ... + 4403815153.

It is an arithmetic number, because the mean of its divisors is an integer number (83672487223).

Almost surely, 2^325882318621 is an apocalyptic number.

It is an amenable number.

325882318621 is a deficient number, since it is larger than the sum of its proper divisors (8807630271).

325882318621 is an equidigital number, since it uses as much as digits as its factorization.

325882318621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807630270.

The product of its digits is 1105920, while the sum is 49.

The spelling of 325882318621 in words is "three hundred twenty-five billion, eight hundred eighty-two million, three hundred eighteen thousand, six hundred twenty-one".