43093087 has 2 divisors, whose sum is σ = 43093088. Its totient is φ = 43093086.

The previous prime is 43093051. The next prime is 43093109. The reversal of 43093087 is 78039034.

43093087 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 a de Polignac number, because none of the positive numbers 2^k-43093087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43093027) 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, 21546543 + 21546544.

It is an arithmetic number, because the mean of its divisors is an integer number (21546544).

Almost surely, 2^43093087 is an apocalyptic number.

43093087 is a deficient number, since it is larger than the sum of its proper divisors (1).

43093087 is an equidigital number, since it uses as much as digits as its factorization.

43093087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 43093087 is about 6564.5325042991. The cubic root of 43093087 is about 350.5924306647.

It can be divided in two parts, 4309 and 3087, that added together give a square (7396 = 86²).

The spelling of 43093087 in words is "forty-three million, ninety-three thousand, eighty-seven".