6539385 has 16 divisors (see below), whose sum is σ = 10495296. Its totient is φ = 3476928.

The previous prime is 6539371. The next prime is 6539387. The reversal of 6539385 is 5839356.

6539385 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6539385 - 2⁴ = 6539369 is a prime.

It is a Curzon number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6539387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7807 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (655956).

Almost surely, 2^6539385 is an apocalyptic number.

It is an amenable number.

6539385 is a deficient number, since it is larger than the sum of its proper divisors (3955911).

6539385 is a wasteful number, since it uses less digits than its factorization.

6539385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 97200, while the sum is 39.

The square root of 6539385 is about 2557.2221256668. Note that the first 3 decimals coincide. The cubic root of 6539385 is about 187.0017348538.

The spelling of 6539385 in words is "six million, five hundred thirty-nine thousand, three hundred eighty-five".