6428263 has 2 divisors, whose sum is σ = 6428264. Its totient is φ = 6428262.

The previous prime is 6428207. The next prime is 6428281. The reversal of 6428263 is 3628246.

6428263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6428263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6428963) 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, 3214131 + 3214132.

It is an arithmetic number, because the mean of its divisors is an integer number (3214132).

Almost surely, 2^6428263 is an apocalyptic number.

6428263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428263 is an equidigital number, since it uses as much as digits as its factorization.

6428263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 6428263 is about 2535.4019405215. The cubic root of 6428263 is about 185.9364545712.

The spelling of 6428263 in words is "six million, four hundred twenty-eight thousand, two hundred sixty-three".