441243321 has 4 divisors (see below), whose sum is σ = 588324432. Its totient is φ = 294162212.

The previous prime is 441243311. The next prime is 441243343. The reversal of 441243321 is 123342144.

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 441243321 - 2²⁶ = 374134457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 441243291 and 441243300.

It is not an unprimeable number, because it can be changed into a prime (441243301) 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, 73540551 + ... + 73540556.

It is an arithmetic number, because the mean of its divisors is an integer number (147081108).

Almost surely, 2^441243321 is an apocalyptic number.

It is an amenable number.

441243321 is a deficient number, since it is larger than the sum of its proper divisors (147081111).

441243321 is a wasteful number, since it uses less digits than its factorization.

441243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147081110.

The product of its digits is 2304, while the sum is 24.

The square root of 441243321 is about 21005.7925582445. The cubic root of 441243321 is about 761.3062260934.

Adding to 441243321 its reverse (123342144), we get a palindrome (564585465).

The spelling of 441243321 in words is "four hundred forty-one million, two hundred forty-three thousand, three hundred twenty-one".