1325699232017 has 2 divisors, whose sum is σ = 1325699232018. Its totient is φ = 1325699232016.

The previous prime is 1325699231981. The next prime is 1325699232047. The reversal of 1325699232017 is 7102329965231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777216796801 + 548482435216 = 881599^2 + 740596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325699232017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325699232047) 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, 662849616008 + 662849616009.

It is an arithmetic number, because the mean of its divisors is an integer number (662849616009).

Almost surely, 2^{1325699232017} is an apocalyptic number.

It is an amenable number.

1325699232017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325699232017 is an equidigital number, since it uses as much as digits as its factorization.

1325699232017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 1325699232017 in words is "one trillion, three hundred twenty-five billion, six hundred ninety-nine million, two hundred thirty-two thousand, seventeen".