41297891 has 2 divisors, whose sum is σ = 41297892. Its totient is φ = 41297890.

The previous prime is 41297863. The next prime is 41297909. The reversal of 41297891 is 19879214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41297891 is a prime.

It is not a weakly prime, because it can be changed into another prime (41297801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20648945 + 20648946.

It is an arithmetic number, because the mean of its divisors is an integer number (20648946).

Almost surely, 2^41297891 is an apocalyptic number.

41297891 is a deficient number, since it is larger than the sum of its proper divisors (1).

41297891 is an equidigital number, since it uses as much as digits as its factorization.

41297891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 41297891 is about 6426.3435171176. The cubic root of 41297891 is about 345.6548257776.

The spelling of 41297891 in words is "forty-one million, two hundred ninety-seven thousand, eight hundred ninety-one".