6546543 has 4 divisors (see below), whose sum is σ = 8728728. Its totient is φ = 4364360.

The previous prime is 6546541. The next prime is 6546557. The reversal of 6546543 is 3456456.

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 6546543 - 2¹ = 6546541 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6546541) 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, 1091088 + ... + 1091093.

It is an arithmetic number, because the mean of its divisors is an integer number (2182182).

Almost surely, 2^6546543 is an apocalyptic number.

6546543 is a deficient number, since it is larger than the sum of its proper divisors (2182185).

6546543 is a wasteful number, since it uses less digits than its factorization.

6546543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182184.

The product of its digits is 43200, while the sum is 33.

The square root of 6546543 is about 2558.6213084394. The cubic root of 6546543 is about 187.0699405704.

The spelling of 6546543 in words is "six million, five hundred forty-six thousand, five hundred forty-three".