5666393 has 2 divisors, whose sum is σ = 5666394. Its totient is φ = 5666392.

The previous prime is 5666387. The next prime is 5666407. The reversal of 5666393 is 3936665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4609609 + 1056784 = 2147^2 + 1028^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666393 - 2⁴ = 5666377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5666383) 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, 2833196 + 2833197.

It is an arithmetic number, because the mean of its divisors is an integer number (2833197).

Almost surely, 2^5666393 is an apocalyptic number.

It is an amenable number.

5666393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666393 is an equidigital number, since it uses as much as digits as its factorization.

5666393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 38.

The square root of 5666393 is about 2380.4186606561. The cubic root of 5666393 is about 178.2798379931.

The spelling of 5666393 in words is "five million, six hundred sixty-six thousand, three hundred ninety-three".