444475313 has 2 divisors, whose sum is σ = 444475314. Its totient is φ = 444475312.

The previous prime is 444475289. The next prime is 444475363. The reversal of 444475313 is 313574444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236913664 + 207561649 = 15392^2 + 14407^2 .

It is a cyclic number.

It is not a de Polignac number, because 444475313 - 2¹² = 444471217 is a prime.

It is not a weakly prime, because it can be changed into another prime (444475363) 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, 222237656 + 222237657.

It is an arithmetic number, because the mean of its divisors is an integer number (222237657).

Almost surely, 2^444475313 is an apocalyptic number.

It is an amenable number.

444475313 is a deficient number, since it is larger than the sum of its proper divisors (1).

444475313 is an equidigital number, since it uses as much as digits as its factorization.

444475313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 35.

The square root of 444475313 is about 21082.5831671548. The cubic root of 444475313 is about 763.1604957975.

The spelling of 444475313 in words is "four hundred forty-four million, four hundred seventy-five thousand, three hundred thirteen".