43043441 has 4 divisors (see below), whose sum is σ = 49192512. Its totient is φ = 36894372.

The previous prime is 43043411. The next prime is 43043443. The reversal of 43043441 is 14434034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43043441 - 2¹⁴ = 43027057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43043443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074525 + ... + 3074538.

It is an arithmetic number, because the mean of its divisors is an integer number (12298128).

Almost surely, 2^43043441 is an apocalyptic number.

It is an amenable number.

43043441 is a deficient number, since it is larger than the sum of its proper divisors (6149071).

43043441 is an equidigital number, since it uses as much as digits as its factorization.

43043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149070.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 43043441 is about 6560.7500333422. The cubic root of 43043441 is about 350.4577439404.

Adding to 43043441 its reverse (14434034), we get a palindrome (57477475).

The spelling of 43043441 in words is "forty-three million, forty-three thousand, four hundred forty-one".