85256183 has 4 divisors (see below), whose sum is σ = 85479168. Its totient is φ = 85033200.

The previous prime is 85256159. The next prime is 85256191. The reversal of 85256183 is 38165258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85256183 - 2¹² = 85252087 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85256153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110918 + ... + 111683.

It is an arithmetic number, because the mean of its divisors is an integer number (21369792).

Almost surely, 2^85256183 is an apocalyptic number.

85256183 is a deficient number, since it is larger than the sum of its proper divisors (222985).

85256183 is a wasteful number, since it uses less digits than its factorization.

85256183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222984.

The product of its digits is 57600, while the sum is 38.

The square root of 85256183 is about 9233.4274784611. The cubic root of 85256183 is about 440.1242469367.

The spelling of 85256183 in words is "eighty-five million, two hundred fifty-six thousand, one hundred eighty-three".