4518443 has 2 divisors, whose sum is σ = 4518444. Its totient is φ = 4518442.

The previous prime is 4518431. The next prime is 4518463. The reversal of 4518443 is 3448154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4518443 - 2⁴ = 4518427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4518463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259221 + 2259222.

It is an arithmetic number, because the mean of its divisors is an integer number (2259222).

Almost surely, 2^4518443 is an apocalyptic number.

4518443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4518443 is an equidigital number, since it uses as much as digits as its factorization.

4518443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 29.

The square root of 4518443 is about 2125.6629554094. The cubic root of 4518443 is about 165.3216011049.

The spelling of 4518443 in words is "four million, five hundred eighteen thousand, four hundred forty-three".