2018017 has 4 divisors (see below), whose sum is σ = 2072596. Its totient is φ = 1963440.

The previous prime is 2017991. The next prime is 2018021. The reversal of 2018017 is 7108102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7108102 = 2 ⋅3554051.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 1164241 = 924^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018017 - 2⁷ = 2017889 is a prime.

It is a super-2 number, since 2×2018017² = 8144785224578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2017985 and 2018003.

It is not an unprimeable number, because it can be changed into a prime (2018077) 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, 27234 + ... + 27307.

It is an arithmetic number, because the mean of its divisors is an integer number (518149).

2^2018017 is an apocalyptic number.

It is an amenable number.

2018017 is a deficient number, since it is larger than the sum of its proper divisors (54579).

2018017 is an equidigital number, since it uses as much as digits as its factorization.

2018017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54578.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2018017 is about 1420.5692520958. The cubic root of 2018017 is about 126.3693078621.

The spelling of 2018017 in words is "two million, eighteen thousand, seventeen".