85305017 has 16 divisors (see below), whose sum is σ = 100538880. Its totient is φ = 70849728.

The previous prime is 85305007. The next prime is 85305043. The reversal of 85305017 is 71050358.

It is a cyclic number.

It is not a de Polignac number, because 85305017 - 2¹⁶ = 85239481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85305007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81584 + ... + 82622.

It is an arithmetic number, because the mean of its divisors is an integer number (6283680).

Almost surely, 2^85305017 is an apocalyptic number.

It is an amenable number.

85305017 is a deficient number, since it is larger than the sum of its proper divisors (15233863).

85305017 is a wasteful number, since it uses less digits than its factorization.

85305017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 85305017 is about 9236.0715133654. The cubic root of 85305017 is about 440.2082640107.

The spelling of 85305017 in words is "eighty-five million, three hundred five thousand, seventeen".