85202713 has 4 divisors (see below), whose sum is σ = 85243428. Its totient is φ = 85162000.

The previous prime is 85202701. The next prime is 85202723. The reversal of 85202713 is 31720258.

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 78004224 + 7198489 = 8832^2 + 2683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85202713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85202723) 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, 17038 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (21310857).

Almost surely, 2^85202713 is an apocalyptic number.

It is an amenable number.

85202713 is a deficient number, since it is larger than the sum of its proper divisors (40715).

85202713 is a wasteful number, since it uses less digits than its factorization.

85202713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40714.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 85202713 is about 9230.5315664917. The cubic root of 85202713 is about 440.0322169936.

The spelling of 85202713 in words is "eighty-five million, two hundred two thousand, seven hundred thirteen".