15065641 has 2 divisors, whose sum is σ = 15065642. Its totient is φ = 15065640.

The previous prime is 15065639. The next prime is 15065647. The reversal of 15065641 is 14656051.

15065641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 4857616 = 3195^2 + 2204^2 .

It is an emirp because it is prime and its reverse (14656051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15065641 - 2¹ = 15065639 is a prime.

Together with 15065639, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15065647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7532820 + 7532821.

It is an arithmetic number, because the mean of its divisors is an integer number (7532821).

Almost surely, 2^15065641 is an apocalyptic number.

It is an amenable number.

15065641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15065641 is an equidigital number, since it uses as much as digits as its factorization.

15065641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 15065641 is about 3881.4483121639. The cubic root of 15065641 is about 246.9804275661.

The spelling of 15065641 in words is "fifteen million, sixty-five thousand, six hundred forty-one".