85250843 has 4 divisors (see below), whose sum is σ = 85794000. Its totient is φ = 84707688.

The previous prime is 85250839. The next prime is 85250861. The reversal of 85250843 is 34805258.

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 85250843 - 2² = 85250839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85250813) 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, 271343 + ... + 271656.

It is an arithmetic number, because the mean of its divisors is an integer number (21448500).

Almost surely, 2^85250843 is an apocalyptic number.

85250843 is a deficient number, since it is larger than the sum of its proper divisors (543157).

85250843 is a wasteful number, since it uses less digits than its factorization.

85250843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543156.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 85250843 is about 9233.1383072063. The cubic root of 85250843 is about 440.1150577203.

The spelling of 85250843 in words is "eighty-five million, two hundred fifty thousand, eight hundred forty-three".