9713539 has 4 divisors (see below), whose sum is σ = 10596600. Its totient is φ = 8830480.

The previous prime is 9713531. The next prime is 9713563. The reversal of 9713539 is 9353179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9713539 - 2³ = 9713531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9713498 and 9713507.

It is not an unprimeable number, because it can be changed into a prime (9713531) 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 3 ways as a sum of consecutive naturals, for example, 441514 + ... + 441535.

It is an arithmetic number, because the mean of its divisors is an integer number (2649150).

Almost surely, 2^9713539 is an apocalyptic number.

9713539 is a deficient number, since it is larger than the sum of its proper divisors (883061).

9713539 is a wasteful number, since it uses less digits than its factorization.

9713539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883060.

The product of its digits is 25515, while the sum is 37.

The square root of 9713539 is about 3116.6550980177. The cubic root of 9713539 is about 213.3663015997.

The spelling of 9713539 in words is "nine million, seven hundred thirteen thousand, five hundred thirty-nine".