6392143 has 2 divisors, whose sum is σ = 6392144. Its totient is φ = 6392142.

The previous prime is 6392131. The next prime is 6392147. The reversal of 6392143 is 3412936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6392143 - 2²¹ = 4294991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6392147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196071 + 3196072.

It is an arithmetic number, because the mean of its divisors is an integer number (3196072).

Almost surely, 2^6392143 is an apocalyptic number.

6392143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6392143 is an equidigital number, since it uses as much as digits as its factorization.

6392143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 6392143 is about 2528.2687752690. The cubic root of 6392143 is about 185.5875452249.

The spelling of 6392143 in words is "six million, three hundred ninety-two thousand, one hundred forty-three".