43248091 has 2 divisors, whose sum is σ = 43248092. Its totient is φ = 43248090.

The previous prime is 43248041. The next prime is 43248113. The reversal of 43248091 is 19084234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43248091 - 2¹⁵ = 43215323 is a prime.

It is not a weakly prime, because it can be changed into another prime (43248041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21624045 + 21624046.

It is an arithmetic number, because the mean of its divisors is an integer number (21624046).

Almost surely, 2^43248091 is an apocalyptic number.

43248091 is a deficient number, since it is larger than the sum of its proper divisors (1).

43248091 is an equidigital number, since it uses as much as digits as its factorization.

43248091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 43248091 is about 6576.3280787990. The cubic root of 43248091 is about 351.0122830202.

The spelling of 43248091 in words is "forty-three million, two hundred forty-eight thousand, ninety-one".