6497243 has 2 divisors, whose sum is σ = 6497244. Its totient is φ = 6497242.

The previous prime is 6497209. The next prime is 6497261. The reversal of 6497243 is 3427946.

6497243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6497243 - 2¹² = 6493147 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6³ + 4⁶ + 9² + 7⁸ + 2¹⁷ + 4⁸ + 3¹² .

It is not a weakly prime, because it can be changed into another prime (6497203) 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, 3248621 + 3248622.

It is an arithmetic number, because the mean of its divisors is an integer number (3248622).

Almost surely, 2^6497243 is an apocalyptic number.

6497243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497243 is an equidigital number, since it uses as much as digits as its factorization.

6497243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 6497243 is about 2548.9690072655. The cubic root of 6497243 is about 186.5991681267.

The spelling of 6497243 in words is "six million, four hundred ninety-seven thousand, two hundred forty-three".