43500089 has 2 divisors, whose sum is σ = 43500090. Its totient is φ = 43500088.

The previous prime is 43500073. The next prime is 43500097. The reversal of 43500089 is 98000534.

43500089 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 can be written as a sum of positive squares in only one way, i.e., 43033600 + 466489 = 6560^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 43500089 - 2⁴ = 43500073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43500019) 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, 21750044 + 21750045.

It is an arithmetic number, because the mean of its divisors is an integer number (21750045).

Almost surely, 2^43500089 is an apocalyptic number.

It is an amenable number.

43500089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43500089 is an equidigital number, since it uses as much as digits as its factorization.

43500089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 43500089 is about 6595.4597262056. The cubic root of 43500089 is about 351.6927226513.

The spelling of 43500089 in words is "forty-three million, five hundred thousand, eighty-nine".