441011321 has 2 divisors, whose sum is σ = 441011322. Its totient is φ = 441011320.

The previous prime is 441011303. The next prime is 441011359. The reversal of 441011321 is 123110144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276889600 + 164121721 = 16640^2 + 12811^2 .

It is a cyclic number.

It is not a de Polignac number, because 441011321 - 2²⁶ = 373902457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 441011321.

It is not a weakly prime, because it can be changed into another prime (441017321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220505660 + 220505661.

It is an arithmetic number, because the mean of its divisors is an integer number (220505661).

Almost surely, 2^441011321 is an apocalyptic number.

It is an amenable number.

441011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

441011321 is an equidigital number, since it uses as much as digits as its factorization.

441011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 441011321 is about 21000.2695458892. The cubic root of 441011321 is about 761.1727743972.

Adding to 441011321 its reverse (123110144), we get a palindrome (564121465).

The spelling of 441011321 in words is "four hundred forty-one million, eleven thousand, three hundred twenty-one".