14201591 has 2 divisors, whose sum is σ = 14201592. Its totient is φ = 14201590.

The previous prime is 14201587. The next prime is 14201611. The reversal of 14201591 is 19510241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14201591 - 2² = 14201587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14204591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7100795 + 7100796.

It is an arithmetic number, because the mean of its divisors is an integer number (7100796).

Almost surely, 2^14201591 is an apocalyptic number.

14201591 is a deficient number, since it is larger than the sum of its proper divisors (1).

14201591 is an equidigital number, since it uses as much as digits as its factorization.

14201591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 14201591 is about 3768.4998341515. The cubic root of 14201591 is about 242.1655345823.

The spelling of 14201591 in words is "fourteen million, two hundred one thousand, five hundred ninety-one".