6539133 has 8 divisors (see below), whose sum is σ = 8849248. Its totient is φ = 4294224.

The previous prime is 6539129. The next prime is 6539149. The reversal of 6539133 is 3319356.

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

It is not a de Polignac number, because 6539133 - 2² = 6539129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6539133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539833) 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, 16066 + ... + 16467.

It is an arithmetic number, because the mean of its divisors is an integer number (1106156).

Almost surely, 2^6539133 is an apocalyptic number.

It is an amenable number.

6539133 is a deficient number, since it is larger than the sum of its proper divisors (2310115).

6539133 is a wasteful number, since it uses less digits than its factorization.

6539133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32603.

The product of its digits is 7290, while the sum is 30.

The square root of 6539133 is about 2557.1728529765. The cubic root of 6539133 is about 186.9993327400. Note that the first 3 decimals are identical.

The spelling of 6539133 in words is "six million, five hundred thirty-nine thousand, one hundred thirty-three".