6538213 has 8 divisors (see below), whose sum is σ = 7166016. Its totient is φ = 5916000.

The previous prime is 6538211. The next prime is 6538219. The reversal of 6538213 is 3128356.

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

It is a cyclic number.

It is not a de Polignac number, because 6538213 - 2¹ = 6538211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288 + ... + 3838.

It is an arithmetic number, because the mean of its divisors is an integer number (895752).

Almost surely, 2^6538213 is an apocalyptic number.

It is an amenable number.

6538213 is a deficient number, since it is larger than the sum of its proper divisors (627803).

6538213 is a wasteful number, since it uses less digits than its factorization.

6538213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its digits is 4320, while the sum is 28.

The square root of 6538213 is about 2556.9929604909. The cubic root of 6538213 is about 186.9905625939.

The spelling of 6538213 in words is "six million, five hundred thirty-eight thousand, two hundred thirteen".