14851891 has 2 divisors, whose sum is σ = 14851892. Its totient is φ = 14851890.

The previous prime is 14851871. The next prime is 14851913. The reversal of 14851891 is 19815841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14851891 - 2¹⁷ = 14720819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14851891.

It is not a weakly prime, because it can be changed into another prime (14851831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7425945 + 7425946.

It is an arithmetic number, because the mean of its divisors is an integer number (7425946).

Almost surely, 2^14851891 is an apocalyptic number.

14851891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14851891 is an equidigital number, since it uses as much as digits as its factorization.

14851891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 37.

The square root of 14851891 is about 3853.8151227063. The cubic root of 14851891 is about 245.8068139799.

The spelling of 14851891 in words is "fourteen million, eight hundred fifty-one thousand, eight hundred ninety-one".