2011671 has 12 divisors (see below), whose sum is σ = 2941848. Its totient is φ = 1324464.

The previous prime is 2011657. The next prime is 2011673. The reversal of 2011671 is 1761102.

It is not a de Polignac number, because 2011671 - 2⁷ = 2011543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011673) 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, 600 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (245154).

2^2011671 is an apocalyptic number.

2011671 is a deficient number, since it is larger than the sum of its proper divisors (930177).

2011671 is a wasteful number, since it uses less digits than its factorization.

2011671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2011671 is about 1418.3338817077. Note that the first 3 decimals coincide. The cubic root of 2011671 is about 126.2367054589.

Adding to 2011671 its reverse (1761102), we get a palindrome (3772773).

The spelling of 2011671 in words is "two million, eleven thousand, six hundred seventy-one".