325861594193 has 2 divisors, whose sum is σ = 325861594194. Its totient is φ = 325861594192.

The previous prime is 325861594141. The next prime is 325861594229. The reversal of 325861594193 is 391495168523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304540629904 + 21320964289 = 551852^2 + 146017^2 .

It is a cyclic number.

It is not a de Polignac number, because 325861594193 - 2³⁶ = 257142117457 is a prime.

It is a super-2 number, since 2×325861594193² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325861584193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162930797096 + 162930797097.

It is an arithmetic number, because the mean of its divisors is an integer number (162930797097).

Almost surely, 2^325861594193 is an apocalyptic number.

It is an amenable number.

325861594193 is a deficient number, since it is larger than the sum of its proper divisors (1).

325861594193 is an equidigital number, since it uses as much as digits as its factorization.

325861594193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 56.

The spelling of 325861594193 in words is "three hundred twenty-five billion, eight hundred sixty-one million, five hundred ninety-four thousand, one hundred ninety-three".