85713317 has 4 divisors (see below), whose sum is σ = 85737120. Its totient is φ = 85689516.

The previous prime is 85713311. The next prime is 85713343. The reversal of 85713317 is 71331758.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71331758 = 2 ⋅35665879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85713317 is a prime.

It is a super-2 number, since 2×85713317² = 14693545422284978, 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 (85713311) 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, 5267 + ... + 14112.

It is an arithmetic number, because the mean of its divisors is an integer number (21434280).

Almost surely, 2^85713317 is an apocalyptic number.

It is an amenable number.

85713317 is a deficient number, since it is larger than the sum of its proper divisors (23803).

85713317 is a wasteful number, since it uses less digits than its factorization.

85713317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23802.

The product of its digits is 17640, while the sum is 35.

The square root of 85713317 is about 9258.1486810269. The cubic root of 85713317 is about 440.9094772919.

The spelling of 85713317 in words is "eighty-five million, seven hundred thirteen thousand, three hundred seventeen".