325704712438681 has 3 divisors (see below), whose sum is σ = 325704730485973. Its totient is φ = 325704694391390.

The previous prime is 325704712438603. The next prime is 325704712438741. The reversal of 325704712438681 is 186834217407523.

The square root of 325704712438681 is 18047291.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 325704712438681 - 2²¹ = 325704710341529 is a prime.

It is a super-2 number, since 2×325704712438681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325704712438601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9023646 + ... + 27070936.

Almost surely, 2^{325704712438681} is an apocalyptic number.

325704712438681 is the 18047291-st square number.

325704712438681 is the 9023646-th centered octagonal number.

It is an amenable number.

325704712438681 is a deficient number, since it is larger than the sum of its proper divisors (18047292).

325704712438681 is an frugal number, since it uses more digits than its factorization.

325704712438681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36094582 (or 18047291 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 325704712438681 in words is "three hundred twenty-five trillion, seven hundred four billion, seven hundred twelve million, four hundred thirty-eight thousand, six hundred eighty-one".