6243863 has 2 divisors, whose sum is σ = 6243864. Its totient is φ = 6243862.

The previous prime is 6243859. The next prime is 6243869. The reversal of 6243863 is 3683426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6243863 - 2² = 6243859 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6243869) 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, 3121931 + 3121932.

It is an arithmetic number, because the mean of its divisors is an integer number (3121932).

Almost surely, 2^6243863 is an apocalyptic number.

6243863 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243863 is an equidigital number, since it uses as much as digits as its factorization.

6243863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 6243863 is about 2498.7722985498. The cubic root of 6243863 is about 184.1412647843.

The spelling of 6243863 in words is "six million, two hundred forty-three thousand, eight hundred sixty-three".