43242041 has 2 divisors, whose sum is σ = 43242042. Its totient is φ = 43242040.

The previous prime is 43242037. The next prime is 43242071. The reversal of 43242041 is 14024234.

43242041 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 can be written as a sum of positive squares in only one way, i.e., 41731600 + 1510441 = 6460^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 43242041 - 2² = 43242037 is a prime.

It is not a weakly prime, because it can be changed into another prime (43242071) 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, 21621020 + 21621021.

It is an arithmetic number, because the mean of its divisors is an integer number (21621021).

Almost surely, 2^43242041 is an apocalyptic number.

It is an amenable number.

43242041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43242041 is an equidigital number, since it uses as much as digits as its factorization.

43242041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 43242041 is about 6575.8680795770. The cubic root of 43242041 is about 350.9959144878.

Adding to 43242041 its reverse (14024234), we get a palindrome (57266275).

The spelling of 43242041 in words is "forty-three million, two hundred forty-two thousand, forty-one".