325997661239 has 2 divisors, whose sum is σ = 325997661240. Its totient is φ = 325997661238.

The previous prime is 325997661191. The next prime is 325997661247. The reversal of 325997661239 is 932166799523.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325997661239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325997660239) 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 as a sum of consecutive naturals, namely, 162998830619 + 162998830620.

It is an arithmetic number, because the mean of its divisors is an integer number (162998830620).

Almost surely, 2^325997661239 is an apocalyptic number.

325997661239 is a deficient number, since it is larger than the sum of its proper divisors (1).

325997661239 is an equidigital number, since it uses as much as digits as its factorization.

325997661239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33067440, while the sum is 62.

The spelling of 325997661239 in words is "three hundred twenty-five billion, nine hundred ninety-seven million, six hundred sixty-one thousand, two hundred thirty-nine".