86522585 has 4 divisors (see below), whose sum is σ = 103827108. Its totient is φ = 69218064.

The previous prime is 86522549. The next prime is 86522609. The reversal of 86522585 is 58522568.

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 51036736 + 35485849 = 7144^2 + 5957^2 .

It is a cyclic number.

It is not a de Polignac number, because 86522585 - 2²⁰ = 85474009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8652254 + ... + 8652263.

It is an arithmetic number, because the mean of its divisors is an integer number (25956777).

Almost surely, 2^86522585 is an apocalyptic number.

It is an amenable number.

86522585 is a deficient number, since it is larger than the sum of its proper divisors (17304523).

86522585 is a wasteful number, since it uses less digits than its factorization.

86522585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17304522.

The product of its digits is 192000, while the sum is 41.

The square root of 86522585 is about 9301.7517167467. The cubic root of 86522585 is about 442.2927583499.

The spelling of 86522585 in words is "eighty-six million, five hundred twenty-two thousand, five hundred eighty-five".