85713 has 4 divisors (see below), whose sum is σ = 114288. Its totient is φ = 57140.

The previous prime is 85711. The next prime is 85717. The reversal of 85713 is 31758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85713 - 2¹ = 85711 is a prime.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (85711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14283 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (28572).

2⁸⁵⁷¹³ is an apocalyptic number.

It is an amenable number.

85713 is a deficient number, since it is larger than the sum of its proper divisors (28575).

85713 is a wasteful number, since it uses less digits than its factorization.

85713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574.

The product of its digits is 840, while the sum is 24.

The square root of 85713 is about 292.7678261012. The cubic root of 85713 is about 44.0908933742.

The spelling of 85713 in words is "eighty-five thousand, seven hundred thirteen".