445344017 has 2 divisors, whose sum is σ = 445344018. Its totient is φ = 445344016.

The previous prime is 445344007. The next prime is 445344043. The reversal of 445344017 is 710443544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260628736 + 184715281 = 16144^2 + 13591^2 .

It is a cyclic number.

It is not a de Polignac number, because 445344017 - 2⁸ = 445343761 is a prime.

It is not a weakly prime, because it can be changed into another prime (445344007) 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 as a sum of consecutive naturals, namely, 222672008 + 222672009.

It is an arithmetic number, because the mean of its divisors is an integer number (222672009).

Almost surely, 2^445344017 is an apocalyptic number.

It is an amenable number.

445344017 is a deficient number, since it is larger than the sum of its proper divisors (1).

445344017 is an equidigital number, since it uses as much as digits as its factorization.

445344017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 445344017 is about 21103.1755193383. The cubic root of 445344017 is about 763.6573581405.

The spelling of 445344017 in words is "four hundred forty-five million, three hundred forty-four thousand, seventeen".