6539117 has 6 divisors (see below), whose sum is σ = 7081002. Its totient is φ = 6035952.

The previous prime is 6539111. The next prime is 6539119. The reversal of 6539117 is 7119356.

It can be written as a sum of positive squares in 3 ways, for example, as 259081 + 6280036 = 509^2 + 2506^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6539117 is a prime.

It is a super-2 number, since 2×6539117² = 85520102279378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19178 + ... + 19515.

It is an arithmetic number, because the mean of its divisors is an integer number (1180167).

Almost surely, 2^6539117 is an apocalyptic number.

It is an amenable number.

6539117 is a deficient number, since it is larger than the sum of its proper divisors (541885).

6539117 is a wasteful number, since it uses less digits than its factorization.

6539117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38719 (or 38706 counting only the distinct ones).

The product of its digits is 5670, while the sum is 32.

The square root of 6539117 is about 2557.1697245197. The cubic root of 6539117 is about 186.9991802227. Note that the first 3 decimals are identical.

The spelling of 6539117 in words is "six million, five hundred thirty-nine thousand, one hundred seventeen".