6343903 has 2 divisors, whose sum is σ = 6343904. Its totient is φ = 6343902.

The previous prime is 6343901. The next prime is 6343927. The reversal of 6343903 is 3093436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6343903 - 2¹ = 6343901 is a prime.

Together with 6343901, it forms a pair of twin primes.

6343903 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6343901) 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, 3171951 + 3171952.

It is an arithmetic number, because the mean of its divisors is an integer number (3171952).

Almost surely, 2^6343903 is an apocalyptic number.

6343903 is a deficient number, since it is larger than the sum of its proper divisors (1).

6343903 is an equidigital number, since it uses as much as digits as its factorization.

6343903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 6343903 is about 2518.7105828181. The cubic root of 6343903 is about 185.1195039905.

The spelling of 6343903 in words is "six million, three hundred forty-three thousand, nine hundred three".