13425641 has 2 divisors, whose sum is σ = 13425642. Its totient is φ = 13425640.

The previous prime is 13425623. The next prime is 13425653. The reversal of 13425641 is 14652431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 6270016 = 2675^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425641 - 2¹⁸ = 13163497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13425641.

It is not a weakly prime, because it can be changed into another prime (13425241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712820 + 6712821.

It is an arithmetic number, because the mean of its divisors is an integer number (6712821).

Almost surely, 2^13425641 is an apocalyptic number.

It is an amenable number.

13425641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425641 is an equidigital number, since it uses as much as digits as its factorization.

13425641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 13425641 is about 3664.1016634368. The cubic root of 13425641 is about 237.6721765348.

The spelling of 13425641 in words is "thirteen million, four hundred twenty-five thousand, six hundred forty-one".