43085983 has 2 divisors, whose sum is σ = 43085984. Its totient is φ = 43085982.

The previous prime is 43085951. The next prime is 43086023. The reversal of 43085983 is 38958034.

43085983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (43086023) can be obtained adding 43085983 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43085983 - 2⁵ = 43085951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43085083) 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, 21542991 + 21542992.

It is an arithmetic number, because the mean of its divisors is an integer number (21542992).

Almost surely, 2^43085983 is an apocalyptic number.

43085983 is a deficient number, since it is larger than the sum of its proper divisors (1).

43085983 is an equidigital number, since it uses as much as digits as its factorization.

43085983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 43085983 is about 6563.9913924380. The cubic root of 43085983 is about 350.5731642682.

The spelling of 43085983 in words is "forty-three million, eighty-five thousand, nine hundred eighty-three".