441263321 has 2 divisors, whose sum is σ = 441263322. Its totient is φ = 441263320.

The previous prime is 441263311. The next prime is 441263323. The reversal of 441263321 is 123362144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243016921 + 198246400 = 15589^2 + 14080^2 .

It is a cyclic number.

It is not a de Polignac number, because 441263321 - 2¹⁸ = 441001177 is a prime.

It is a Sophie Germain prime.

Together with 441263323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (441263323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220631660 + 220631661.

It is an arithmetic number, because the mean of its divisors is an integer number (220631661).

Almost surely, 2^441263321 is an apocalyptic number.

It is an amenable number.

441263321 is a deficient number, since it is larger than the sum of its proper divisors (1).

441263321 is an equidigital number, since it uses as much as digits as its factorization.

441263321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 441263321 is about 21006.2686120120. The cubic root of 441263321 is about 761.3177283596.

The spelling of 441263321 in words is "four hundred forty-one million, two hundred sixty-three thousand, three hundred twenty-one".