85051093 has 4 divisors (see below), whose sum is σ = 85069548. Its totient is φ = 85032640.

The previous prime is 85051091. The next prime is 85051111. The reversal of 85051093 is 39015058.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29354724 + 55696369 = 5418^2 + 7463^2 .

It is a cyclic number.

It is not a de Polignac number, because 85051093 - 2¹ = 85051091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051091) 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 3 ways as a sum of consecutive naturals, for example, 4173 + ... + 13693.

It is an arithmetic number, because the mean of its divisors is an integer number (21267387).

Almost surely, 2^85051093 is an apocalyptic number.

It is an amenable number.

85051093 is a deficient number, since it is larger than the sum of its proper divisors (18455).

85051093 is an equidigital number, since it uses as much as digits as its factorization.

85051093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18454.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 85051093 is about 9222.3149479943. The cubic root of 85051093 is about 439.7710465186.

The spelling of 85051093 in words is "eighty-five million, fifty-one thousand, ninety-three".