14591081 has 2 divisors, whose sum is σ = 14591082. Its totient is φ = 14591080.

The previous prime is 14591077. The next prime is 14591099. The reversal of 14591081 is 18019541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 3031081 = 3400^2 + 1741^2 .

It is a cyclic number.

It is not a de Polignac number, because 14591081 - 2² = 14591077 is a prime.

It is a super-2 number, since 2×14591081² = 425799289497122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14591011) 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, 7295540 + 7295541.

It is an arithmetic number, because the mean of its divisors is an integer number (7295541).

Almost surely, 2^14591081 is an apocalyptic number.

It is an amenable number.

14591081 is a deficient number, since it is larger than the sum of its proper divisors (1).

14591081 is an equidigital number, since it uses as much as digits as its factorization.

14591081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 14591081 is about 3819.8273521195. The cubic root of 14591081 is about 244.3594596598.

The spelling of 14591081 in words is "fourteen million, five hundred ninety-one thousand, eighty-one".