85075 has 12 divisors (see below), whose sum is σ = 109368. Its totient is φ = 65600.

The previous prime is 85061. The next prime is 85081. The reversal of 85075 is 57058.

It is not a de Polignac number, because 85075 - 2^{7} = 84947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

85075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (9114).

2^{85075} is an apocalyptic number.

85075 is a deficient number, since it is larger than the sum of its proper divisors (24293).

85075 is a wasteful number, since it uses less digits than its factorization.

85075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 85075 is about 291.6761903207. The cubic root of 85075 is about 43.9812247719.

85075 divided by its sum of digits (25) gives a triangular number (3403 = T_{82}).

The spelling of 85075 in words is "eighty-five thousand, seventy-five".

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