445041211 has 2 divisors, whose sum is σ = 445041212. Its totient is φ = 445041210.

The previous prime is 445041203. The next prime is 445041229. The reversal of 445041211 is 112140544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445041211 - 2³ = 445041203 is a prime.

It is not a weakly prime, because it can be changed into another prime (445041281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222520605 + 222520606.

It is an arithmetic number, because the mean of its divisors is an integer number (222520606).

Almost surely, 2^445041211 is an apocalyptic number.

445041211 is a deficient number, since it is larger than the sum of its proper divisors (1).

445041211 is an equidigital number, since it uses as much as digits as its factorization.

445041211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 445041211 is about 21095.9998814941. Note that the first 3 decimals coincide. The cubic root of 445041211 is about 763.4842391953.

Adding to 445041211 its reverse (112140544), we get a palindrome (557181755).

The spelling of 445041211 in words is "four hundred forty-five million, forty-one thousand, two hundred eleven".