6441473 has 2 divisors, whose sum is σ = 6441474. Its totient is φ = 6441472.

The previous prime is 6441467. The next prime is 6441481. The reversal of 6441473 is 3741446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3301489 + 3139984 = 1817^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6441473 - 2¹⁶ = 6375937 is a prime.

It is not a weakly prime, because it can be changed into another prime (6441433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220736 + 3220737.

It is an arithmetic number, because the mean of its divisors is an integer number (3220737).

Almost surely, 2^6441473 is an apocalyptic number.

It is an amenable number.

6441473 is a deficient number, since it is larger than the sum of its proper divisors (1).

6441473 is an equidigital number, since it uses as much as digits as its factorization.

6441473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 6441473 is about 2538.0057131535. The cubic root of 6441473 is about 186.0637331213.

Subtracting from 6441473 its sum of digits (29), we obtain a square (6441444 = 2538²).

The spelling of 6441473 in words is "six million, four hundred forty-one thousand, four hundred seventy-three".