6546943 has 4 divisors (see below), whose sum is σ = 7050568. Its totient is φ = 6043320.

The previous prime is 6546941. The next prime is 6546961. The reversal of 6546943 is 3496456.

It is a happy number.

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 6546943 - 2¹ = 6546941 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁵ + 5³ + 4⁵ + 6⁸ + 9⁵ + 4⁷ + 3¹⁴ .

It is a Duffinian number.

6546943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251793 + ... + 251818.

It is an arithmetic number, because the mean of its divisors is an integer number (1762642).

Almost surely, 2^6546943 is an apocalyptic number.

6546943 is a deficient number, since it is larger than the sum of its proper divisors (503625).

6546943 is a wasteful number, since it uses less digits than its factorization.

6546943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503624.

The product of its digits is 77760, while the sum is 37.

The square root of 6546943 is about 2558.6994743424. The cubic root of 6546943 is about 187.0737505432.

The spelling of 6546943 in words is "six million, five hundred forty-six thousand, nine hundred forty-three".