6375643 has 2 divisors, whose sum is σ = 6375644. Its totient is φ = 6375642.

The previous prime is 6375637. The next prime is 6375647. The reversal of 6375643 is 3465736.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6375643 is a prime.

It is an Ulam number.

It is equal to p₄₃₆₈₇₆ and since 6375643 and 436876 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 6375599 and 6375608.

It is not a weakly prime, because it can be changed into another prime (6375647) 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, 3187821 + 3187822.

It is an arithmetic number, because the mean of its divisors is an integer number (3187822).

Almost surely, 2^6375643 is an apocalyptic number.

6375643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6375643 is an equidigital number, since it uses as much as digits as its factorization.

6375643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 34.

The square root of 6375643 is about 2525.0035643539. The cubic root of 6375643 is about 185.4277222938.

The spelling of 6375643 in words is "six million, three hundred seventy-five thousand, six hundred forty-three".