2017191 has 12 divisors (see below), whose sum is σ = 2956856. Its totient is φ = 1222320.

The previous prime is 2017189. The next prime is 2017217. The reversal of 2017191 is 1917102.

It is not a de Polignac number, because 2017191 - 2¹ = 2017189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416 + ... + 3141.

2^2017191 is an apocalyptic number.

2017191 is a deficient number, since it is larger than the sum of its proper divisors (939665).

2017191 is a wasteful number, since it uses less digits than its factorization.

2017191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582 (or 5571 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 2017191 is about 1420.2784938173. The cubic root of 2017191 is about 126.3520639880.

The spelling of 2017191 in words is "two million, seventeen thousand, one hundred ninety-one".