6315943 has 2 divisors, whose sum is σ = 6315944. Its totient is φ = 6315942.

The previous prime is 6315941. The next prime is 6315949. The reversal of 6315943 is 3495136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6315943 - 2¹ = 6315941 is a prime.

It is a super-2 number, since 2×6315943² = 79782271958498, which contains 22 as substring.

Together with 6315941, 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 (6315941) 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, 3157971 + 3157972.

It is an arithmetic number, because the mean of its divisors is an integer number (3157972).

Almost surely, 2^6315943 is an apocalyptic number.

6315943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315943 is an equidigital number, since it uses as much as digits as its factorization.

6315943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 6315943 is about 2513.1539944858. The cubic root of 6315943 is about 184.8471393741.

The spelling of 6315943 in words is "six million, three hundred fifteen thousand, nine hundred forty-three".