6609543 has 8 divisors (see below), whose sum is σ = 8869488. Its totient is φ = 4377984.

The previous prime is 6609523. The next prime is 6609553. The reversal of 6609543 is 3459066.

It is a happy number.

6609543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6609543 - 2⁸ = 6609287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (1108686).

Almost surely, 2^6609543 is an apocalyptic number.

6609543 is a deficient number, since it is larger than the sum of its proper divisors (2259945).

6609543 is a wasteful number, since it uses less digits than its factorization.

6609543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 6609543 is about 2570.9031487009. The cubic root of 6609543 is about 187.6681087875.

The spelling of 6609543 in words is "six million, six hundred nine thousand, five hundred forty-three".