14971591 has 2 divisors, whose sum is σ = 14971592. Its totient is φ = 14971590.

The previous prime is 14971559. The next prime is 14971609. The reversal of 14971591 is 19517941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14971591 - 2⁵ = 14971559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14971591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14971501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7485795 + 7485796.

It is an arithmetic number, because the mean of its divisors is an integer number (7485796).

Almost surely, 2^14971591 is an apocalyptic number.

14971591 is a deficient number, since it is larger than the sum of its proper divisors (1).

14971591 is an equidigital number, since it uses as much as digits as its factorization.

14971591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 37.

The square root of 14971591 is about 3869.3140218907. The cubic root of 14971591 is about 246.4654143292.

The spelling of 14971591 in words is "fourteen million, nine hundred seventy-one thousand, five hundred ninety-one".