43097443 has 2 divisors, whose sum is σ = 43097444. Its totient is φ = 43097442.

The previous prime is 43097441. The next prime is 43097459. The reversal of 43097443 is 34479034.

43097443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43097443 - 2¹ = 43097441 is a prime.

Together with 43097441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43097399 and 43097408.

It is not a weakly prime, because it can be changed into another prime (43097441) 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, 21548721 + 21548722.

It is an arithmetic number, because the mean of its divisors is an integer number (21548722).

Almost surely, 2^43097443 is an apocalyptic number.

43097443 is a deficient number, since it is larger than the sum of its proper divisors (1).

43097443 is an equidigital number, since it uses as much as digits as its factorization.

43097443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 43097443 is about 6564.8642788713. The cubic root of 43097443 is about 350.6042433032.

The spelling of 43097443 in words is "forty-three million, ninety-seven thousand, four hundred forty-three".