1325345265641 has 2 divisors, whose sum is σ = 1325345265642. Its totient is φ = 1325345265640.

The previous prime is 1325345265551. The next prime is 1325345265659. The reversal of 1325345265641 is 1465625435231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 691417195225 + 633928070416 = 831515^2 + 796196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325345265641 - 2¹⁸ = 1325345003497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1325345265841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662672632820 + 662672632821.

It is an arithmetic number, because the mean of its divisors is an integer number (662672632821).

Almost surely, 2^{1325345265641} is an apocalyptic number.

It is an amenable number.

1325345265641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325345265641 is an equidigital number, since it uses as much as digits as its factorization.

1325345265641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 47.

The spelling of 1325345265641 in words is "one trillion, three hundred twenty-five billion, three hundred forty-five million, two hundred sixty-five thousand, six hundred forty-one".