6543575 has 12 divisors (see below), whose sum is σ = 8288160. Its totient is φ = 5122560.

The previous prime is 6543541. The next prime is 6543577. The reversal of 6543575 is 5753456.

6543575 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6543575 - 2¹⁰ = 6542551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1610 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (690680).

Almost surely, 2^6543575 is an apocalyptic number.

6543575 is a deficient number, since it is larger than the sum of its proper divisors (1744585).

6543575 is a wasteful number, since it uses less digits than its factorization.

6543575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626 (or 5621 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 6543575 is about 2558.0412428262. The cubic root of 6543575 is about 187.0416657231.

The spelling of 6543575 in words is "six million, five hundred forty-three thousand, five hundred seventy-five".