85106573 has 4 divisors (see below), whose sum is σ = 90112860. Its totient is φ = 80100288.

The previous prime is 85106557. The next prime is 85106579. The reversal of 85106573 is 37560158.

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 72624484 + 12482089 = 8522^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 85106573 - 2⁴ = 85106557 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 (85106579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503118 + ... + 2503151.

It is an arithmetic number, because the mean of its divisors is an integer number (22528215).

Almost surely, 2^85106573 is an apocalyptic number.

It is an amenable number.

85106573 is a deficient number, since it is larger than the sum of its proper divisors (5006287).

85106573 is a wasteful number, since it uses less digits than its factorization.

85106573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006286.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 85106573 is about 9225.3223791909. The cubic root of 85106573 is about 439.8666486387.

The spelling of 85106573 in words is "eighty-five million, one hundred six thousand, five hundred seventy-three".