85306533 has 16 divisors (see below), whose sum is σ = 122828160. Its totient is φ = 52352064.

The previous prime is 85306531. The next prime is 85306549. The reversal of 85306533 is 33560358.

It is not a de Polignac number, because 85306533 - 2¹ = 85306531 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85306494 and 85306503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85306531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12360 + ... + 17982.

It is an arithmetic number, because the mean of its divisors is an integer number (7676760).

Almost surely, 2^85306533 is an apocalyptic number.

It is an amenable number.

85306533 is a deficient number, since it is larger than the sum of its proper divisors (37521627).

85306533 is a wasteful number, since it uses less digits than its factorization.

85306533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 85306533 is about 9236.1535825256. The cubic root of 85306533 is about 440.2108717189.

The spelling of 85306533 in words is "eighty-five million, three hundred six thousand, five hundred thirty-three".