6539713 has 12 divisors (see below), whose sum is σ = 7141932. Its totient is φ = 5967360.

The previous prime is 6539707. The next prime is 6539717. The reversal of 6539713 is 3179356.

6539713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2666689 + 3873024 = 1633^2 + 1968^2 .

It is not a de Polignac number, because 6539713 - 2⁵ = 6539681 is a prime.

It is a super-2 number, since 2×6539713² = 85535692244738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6539717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23133 + ... + 23413.

It is an arithmetic number, because the mean of its divisors is an integer number (595161).

Almost surely, 2^6539713 is an apocalyptic number.

It is an amenable number.

6539713 is a deficient number, since it is larger than the sum of its proper divisors (602219).

6539713 is a wasteful number, since it uses less digits than its factorization.

6539713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 335 counting only the distinct ones).

The product of its digits is 17010, while the sum is 34.

The square root of 6539713 is about 2557.2862569529. The cubic root of 6539713 is about 187.0048613223.

The spelling of 6539713 in words is "six million, five hundred thirty-nine thousand, seven hundred thirteen".