6343 has 2 divisors, whose sum is σ = 6344. Its totient is φ = 6342.

The previous prime is 6337. The next prime is 6353. The reversal of 6343 is 3436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6343 - 2⁵ = 6311 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p₈₂₆ and since 6343 and 826 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171 + 3172.

It is an arithmetic number, because the mean of its divisors is an integer number (3172).

2⁶³⁴³ is an apocalyptic number.

6343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6343 is an equidigital number, since it uses as much as digits as its factorization.

6343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 16.

The square root of 6343 is about 79.6429532350. The cubic root of 6343 is about 18.5110720184.

Adding to 6343 its reverse (3436), we get a palindrome (9779).

The spelling of 6343 in words is "six thousand, three hundred forty-three".