15347081 has 2 divisors, whose sum is σ = 15347082. Its totient is φ = 15347080.

The previous prime is 15347063. The next prime is 15347089. The reversal of 15347081 is 18074351.

15347081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 292681 = 3880^2 + 541^2 .

It is an emirp because it is prime and its reverse (18074351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15347081 is a prime.

It is a super-2 number, since 2×15347081² = 471065790441122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15347089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7673540 + 7673541.

It is an arithmetic number, because the mean of its divisors is an integer number (7673541).

Almost surely, 2^15347081 is an apocalyptic number.

It is an amenable number.

15347081 is a deficient number, since it is larger than the sum of its proper divisors (1).

15347081 is an equidigital number, since it uses as much as digits as its factorization.

15347081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 15347081 is about 3917.5350668501. The cubic root of 15347081 is about 248.5088893716.

The spelling of 15347081 in words is "fifteen million, three hundred forty-seven thousand, eighty-one".