6381343 has 2 divisors, whose sum is σ = 6381344. Its totient is φ = 6381342.

The previous prime is 6381337. The next prime is 6381371. The reversal of 6381343 is 3431836.

It is an a-pointer prime, because the next prime (6381371) can be obtained adding 6381343 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6381343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190671 + 3190672.

It is an arithmetic number, because the mean of its divisors is an integer number (3190672).

Almost surely, 2^6381343 is an apocalyptic number.

6381343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381343 is an equidigital number, since it uses as much as digits as its factorization.

6381343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 6381343 is about 2526.1320234699. The cubic root of 6381343 is about 185.4829649936.

It can be divided in two parts, 6381 and 343, that added together give a square (6724 = 82²).

The spelling of 6381343 in words is "six million, three hundred eighty-one thousand, three hundred forty-three".