15132191 has 2 divisors, whose sum is σ = 15132192. Its totient is φ = 15132190.

The previous prime is 15132133. The next prime is 15132199. The reversal of 15132191 is 19123151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15132191 - 2¹⁰ = 15131167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15132199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7566095 + 7566096.

It is an arithmetic number, because the mean of its divisors is an integer number (7566096).

Almost surely, 2^15132191 is an apocalyptic number.

15132191 is a deficient number, since it is larger than the sum of its proper divisors (1).

15132191 is an equidigital number, since it uses as much as digits as its factorization.

15132191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 23.

The square root of 15132191 is about 3890.0116966405. The cubic root of 15132191 is about 247.3435585862.

The spelling of 15132191 in words is "fifteen million, one hundred thirty-two thousand, one hundred ninety-one".