5666443 has 2 divisors, whose sum is σ = 5666444. Its totient is φ = 5666442.

The previous prime is 5666431. The next prime is 5666447. The reversal of 5666443 is 3446665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5666443 - 2¹³ = 5658251 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5666399 and 5666408.

It is not a weakly prime, because it can be changed into another prime (5666447) 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, 2833221 + 2833222.

It is an arithmetic number, because the mean of its divisors is an integer number (2833222).

Almost surely, 2^5666443 is an apocalyptic number.

5666443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666443 is an equidigital number, since it uses as much as digits as its factorization.

5666443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 5666443 is about 2380.4291629872. The cubic root of 5666443 is about 178.2803623693.

The spelling of 5666443 in words is "five million, six hundred sixty-six thousand, four hundred forty-three".