3931525165241 has 2 divisors, whose sum is σ = 3931525165242. Its totient is φ = 3931525165240.

The previous prime is 3931525165231. The next prime is 3931525165259. The reversal of 3931525165241 is 1425615251393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2908999725241 + 1022525440000 = 1705579^2 + 1011200^2 .

It is an emirp because it is prime and its reverse (1425615251393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3931525165241 - 2⁶ = 3931525165177 is a prime.

It is not a weakly prime, because it can be changed into another prime (3931525165231) 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, 1965762582620 + 1965762582621.

It is an arithmetic number, because the mean of its divisors is an integer number (1965762582621).

Almost surely, 2^{3931525165241} is an apocalyptic number.

It is an amenable number.

3931525165241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3931525165241 is an equidigital number, since it uses as much as digits as its factorization.

3931525165241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 47.

The spelling of 3931525165241 in words is "three trillion, nine hundred thirty-one billion, five hundred twenty-five million, one hundred sixty-five thousand, two hundred forty-one".