6810243 has 24 divisors (see below), whose sum is σ = 10156944. Its totient is φ = 4055040.

The previous prime is 6810203. The next prime is 6810247. The reversal of 6810243 is 3420186.

It is a happy number.

It is not a de Polignac number, because 6810243 - 2⁶ = 6810179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6810247) 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 in 23 ways as a sum of consecutive naturals, for example, 26371 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (423206).

Almost surely, 2^6810243 is an apocalyptic number.

6810243 is a deficient number, since it is larger than the sum of its proper divisors (3346701).

6810243 is a wasteful number, since it uses less digits than its factorization.

6810243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6810243 is about 2609.6442286258. The cubic root of 6810243 is about 189.5487258758.

The spelling of 6810243 in words is "six million, eight hundred ten thousand, two hundred forty-three".