5666263 has 2 divisors, whose sum is σ = 5666264. Its totient is φ = 5666262.

The previous prime is 5666261. The next prime is 5666267. The reversal of 5666263 is 3626665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5666263 - 2¹ = 5666261 is a prime.

Together with 5666261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833131 + 2833132.

It is an arithmetic number, because the mean of its divisors is an integer number (2833132).

Almost surely, 2^5666263 is an apocalyptic number.

5666263 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666263 is an equidigital number, since it uses as much as digits as its factorization.

5666263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 5666263 is about 2380.3913543785. The cubic root of 5666263 is about 178.2784746004.

It can be divided in two parts, 5666 and 263, that added together give a square (5929 = 77²).

The spelling of 5666263 in words is "five million, six hundred sixty-six thousand, two hundred sixty-three".