85051 has 4 divisors (see below), whose sum is σ = 90072. Its totient is φ = 80032.

The previous prime is 85049. The next prime is 85061. The reversal of 85051 is 15058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15058 = 2 ⋅7529.

It is a cyclic number.

It is not a de Polignac number, because 85051 - 2¹ = 85049 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (85021) 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, 2485 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (22518).

2⁸⁵⁰⁵¹ is an apocalyptic number.

85051 is a deficient number, since it is larger than the sum of its proper divisors (5021).

85051 is a wasteful number, since it uses less digits than its factorization.

85051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 85051 is about 291.6350459050. The cubic root of 85051 is about 43.9770886228.

The spelling of 85051 in words is "eighty-five thousand, fifty-one".