27245843 has 2 divisors, whose sum is σ = 27245844. Its totient is φ = 27245842.

The previous prime is 27245831. The next prime is 27245851. The reversal of 27245843 is 34854272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27245843 - 2²⁰ = 26197267 is a prime.

It is not a weakly prime, because it can be changed into another prime (27245893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13622921 + 13622922.

It is an arithmetic number, because the mean of its divisors is an integer number (13622922).

Almost surely, 2^27245843 is an apocalyptic number.

27245843 is a deficient number, since it is larger than the sum of its proper divisors (1).

27245843 is an equidigital number, since it uses as much as digits as its factorization.

27245843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 35.

The square root of 27245843 is about 5219.7550708822. The cubic root of 27245843 is about 300.9077799774.

The spelling of 27245843 in words is "twenty-seven million, two hundred forty-five thousand, eight hundred forty-three".