441351397 has 2 divisors, whose sum is σ = 441351398. Its totient is φ = 441351396.

The previous prime is 441351389. The next prime is 441351419. The reversal of 441351397 is 793153144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440622081 + 729316 = 20991^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 441351397 - 2³ = 441351389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441351367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220675698 + 220675699.

It is an arithmetic number, because the mean of its divisors is an integer number (220675699).

Almost surely, 2^441351397 is an apocalyptic number.

It is an amenable number.

441351397 is a deficient number, since it is larger than the sum of its proper divisors (1).

441351397 is an equidigital number, since it uses as much as digits as its factorization.

441351397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 441351397 is about 21008.3649292371. The cubic root of 441351397 is about 761.3683779047.

The spelling of 441351397 in words is "four hundred forty-one million, three hundred fifty-one thousand, three hundred ninety-seven".