6802543 has 4 divisors (see below), whose sum is σ = 7420968. Its totient is φ = 6184120.

The previous prime is 6802541. The next prime is 6802553. The reversal of 6802543 is 3452086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6802543 - 2¹ = 6802541 is a prime.

It is a Duffinian number.

6802543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6802541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309196 + ... + 309217.

It is an arithmetic number, because the mean of its divisors is an integer number (1855242).

Almost surely, 2^6802543 is an apocalyptic number.

6802543 is a deficient number, since it is larger than the sum of its proper divisors (618425).

6802543 is a wasteful number, since it uses less digits than its factorization.

6802543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618424.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6802543 is about 2608.1685144944. The cubic root of 6802543 is about 189.4772611911.

It can be divided in two parts, 680 and 2543, that added together give a palindrome (3223).

The spelling of 6802543 in words is "six million, eight hundred two thousand, five hundred forty-three".