43321241 has 4 divisors (see below), whose sum is σ = 43335732. Its totient is φ = 43306752.

The previous prime is 43321237. The next prime is 43321249. The reversal of 43321241 is 14212334.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14212334 = 2 ⋅7106167.

It can be written as a sum of positive squares in 2 ways, for example, as 24960016 + 18361225 = 4996^2 + 4285^2 .

It is a cyclic number.

It is not a de Polignac number, because 43321241 - 2² = 43321237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43321249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920 + ... + 9353.

It is an arithmetic number, because the mean of its divisors is an integer number (10833933).

Almost surely, 2^43321241 is an apocalyptic number.

It is an amenable number.

43321241 is a deficient number, since it is larger than the sum of its proper divisors (14491).

43321241 is a wasteful number, since it uses less digits than its factorization.

43321241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490.

The product of its digits is 576, while the sum is 20.

The square root of 43321241 is about 6581.8873433081. The cubic root of 43321241 is about 351.2100727571.

Adding to 43321241 its reverse (14212334), we get a palindrome (57533575).

The spelling of 43321241 in words is "forty-three million, three hundred twenty-one thousand, two hundred forty-one".