15141691 has 2 divisors, whose sum is σ = 15141692. Its totient is φ = 15141690.

The previous prime is 15141667. The next prime is 15141697. The reversal of 15141691 is 19614151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15141691 - 2⁷ = 15141563 is a prime.

It is not a weakly prime, because it can be changed into another prime (15141697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570845 + 7570846.

It is an arithmetic number, because the mean of its divisors is an integer number (7570846).

Almost surely, 2^15141691 is an apocalyptic number.

15141691 is a deficient number, since it is larger than the sum of its proper divisors (1).

15141691 is an equidigital number, since it uses as much as digits as its factorization.

15141691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 28.

The square root of 15141691 is about 3891.2325810725. The cubic root of 15141691 is about 247.3953085774.

The spelling of 15141691 in words is "fifteen million, one hundred forty-one thousand, six hundred ninety-one".