6570943 has 2 divisors, whose sum is σ = 6570944. Its totient is φ = 6570942.

The previous prime is 6570923. The next prime is 6570953. The reversal of 6570943 is 3490756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6570943 is a prime.

6570943 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6570899 and 6570908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6570923) 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, 3285471 + 3285472.

It is an arithmetic number, because the mean of its divisors is an integer number (3285472).

Almost surely, 2^6570943 is an apocalyptic number.

6570943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6570943 is an equidigital number, since it uses as much as digits as its factorization.

6570943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 6570943 is about 2563.3850666648. The cubic root of 6570943 is about 187.3020654942.

The spelling of 6570943 in words is "six million, five hundred seventy thousand, nine hundred forty-three".