2017117065 has 16 divisors (see below), whose sum is σ = 3417234048. Its totient is φ = 1012513536.

The previous prime is 2017117061. The next prime is 2017117097. The reversal of 2017117065 is 5607117102.

It is not a de Polignac number, because 2017117065 - 2² = 2017117061 is a prime.

It is a super-2 number, since 2×2017117065² = 8137522507828428450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2017117061) 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, 3954877 + ... + 3955386.

It is an arithmetic number, because the mean of its divisors is an integer number (213577128).

Almost surely, 2^2017117065 is an apocalyptic number.

It is an amenable number.

2017117065 is a deficient number, since it is larger than the sum of its proper divisors (1400116983).

2017117065 is a wasteful number, since it uses less digits than its factorization.

2017117065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910288.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 2017117065 is about 44912.3264260492. The cubic root of 2017117065 is about 1263.5052026474.

The spelling of 2017117065 in words is "two billion, seventeen million, one hundred seventeen thousand, sixty-five".