85530713 has 4 divisors (see below), whose sum is σ = 85716708. Its totient is φ = 85344720.

The previous prime is 85530703. The next prime is 85530733. The reversal of 85530713 is 31703558.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 71453209 = 3752^2 + 8453^2 .

It is a cyclic number.

It is not a de Polignac number, because 85530713 - 2²⁴ = 68753497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85530713.

It is not an unprimeable number, because it can be changed into a prime (85530703) 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, 92306 + ... + 93227.

It is an arithmetic number, because the mean of its divisors is an integer number (21429177).

Almost surely, 2^85530713 is an apocalyptic number.

It is an amenable number.

85530713 is a deficient number, since it is larger than the sum of its proper divisors (185995).

85530713 is a wasteful number, since it uses less digits than its factorization.

85530713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185994.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 85530713 is about 9248.2816241721. The cubic root of 85530713 is about 440.5961495655.

The spelling of 85530713 in words is "eighty-five million, five hundred thirty thousand, seven hundred thirteen".