2113171 has 8 divisors (see below), whose sum is σ = 2234880. Its totient is φ = 1993992.

The previous prime is 2113159. The next prime is 2113187. The reversal of 2113171 is 1713112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113171 - 2⁷ = 2113043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (279360).

2^2113171 is an apocalyptic number.

2113171 is a deficient number, since it is larger than the sum of its proper divisors (121709).

2113171 is a wasteful number, since it uses less digits than its factorization.

2113171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its digits is 42, while the sum is 16.

The square root of 2113171 is about 1453.6749980652. The cubic root of 2113171 is about 128.3250810833.

Adding to 2113171 its reverse (1713112), we get a palindrome (3826283).

The spelling of 2113171 in words is "two million, one hundred thirteen thousand, one hundred seventy-one".