325618241257 has 2 divisors, whose sum is σ = 325618241258. Its totient is φ = 325618241256.

The previous prime is 325618241233. The next prime is 325618241329. The reversal of 325618241257 is 752142816523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238062023056 + 87556218201 = 487916^2 + 295899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325618241257 is a prime.

It is not a weakly prime, because it can be changed into another prime (325618241227) 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 as a sum of consecutive naturals, namely, 162809120628 + 162809120629.

It is an arithmetic number, because the mean of its divisors is an integer number (162809120629).

Almost surely, 2^325618241257 is an apocalyptic number.

It is an amenable number.

325618241257 is a deficient number, since it is larger than the sum of its proper divisors (1).

325618241257 is an equidigital number, since it uses as much as digits as its factorization.

325618241257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The spelling of 325618241257 in words is "three hundred twenty-five billion, six hundred eighteen million, two hundred forty-one thousand, two hundred fifty-seven".