43113859 has 2 divisors, whose sum is σ = 43113860. Its totient is φ = 43113858.

The previous prime is 43113823. The next prime is 43113871. The reversal of 43113859 is 95831134.

43113859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43113859 - 2⁷ = 43113731 is a prime.

It is not a weakly prime, because it can be changed into another prime (43113809) 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, 21556929 + 21556930.

It is an arithmetic number, because the mean of its divisors is an integer number (21556930).

Almost surely, 2^43113859 is an apocalyptic number.

43113859 is a deficient number, since it is larger than the sum of its proper divisors (1).

43113859 is an equidigital number, since it uses as much as digits as its factorization.

43113859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 43113859 is about 6566.1144522465. The cubic root of 43113859 is about 350.6487532033.

The spelling of 43113859 in words is "forty-three million, one hundred thirteen thousand, eight hundred fifty-nine".