43021241 has 4 divisors (see below), whose sum is σ = 43133952. Its totient is φ = 42908532.

The previous prime is 43021229. The next prime is 43021249. The reversal of 43021241 is 14212034.

43021241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-43021241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43021249) 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 in 3 ways as a sum of consecutive naturals, for example, 55781 + ... + 56546.

It is an arithmetic number, because the mean of its divisors is an integer number (10783488).

Almost surely, 2^43021241 is an apocalyptic number.

It is an amenable number.

43021241 is a deficient number, since it is larger than the sum of its proper divisors (112711).

43021241 is a wasteful number, since it uses less digits than its factorization.

43021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112710.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43021241 is about 6559.0579354051. The cubic root of 43021241 is about 350.3974831149.

Adding to 43021241 its reverse (14212034), we get a palindrome (57233275).

The spelling of 43021241 in words is "forty-three million, twenty-one thousand, two hundred forty-one".