15114661 has 2 divisors, whose sum is σ = 15114662. Its totient is φ = 15114660.

The previous prime is 15114653. The next prime is 15114719. The reversal of 15114661 is 16641151.

15114661 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., 10850436 + 4264225 = 3294^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 15114661 - 2³ = 15114653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15114601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557330 + 7557331.

It is an arithmetic number, because the mean of its divisors is an integer number (7557331).

Almost surely, 2^15114661 is an apocalyptic number.

It is an amenable number.

15114661 is a deficient number, since it is larger than the sum of its proper divisors (1).

15114661 is an equidigital number, since it uses as much as digits as its factorization.

15114661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 25.

The square root of 15114661 is about 3887.7578371087. The cubic root of 15114661 is about 247.2480093475.

The spelling of 15114661 in words is "fifteen million, one hundred fourteen thousand, six hundred sixty-one".