2081071 has 4 divisors (see below), whose sum is σ = 2129512. Its totient is φ = 2032632.

The previous prime is 2081047. The next prime is 2081099. The reversal of 2081071 is 1701802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2081071 - 2⁵ = 2081039 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 (2081171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24156 + ... + 24241.

It is an arithmetic number, because the mean of its divisors is an integer number (532378).

2^2081071 is an apocalyptic number.

2081071 is a deficient number, since it is larger than the sum of its proper divisors (48441).

2081071 is an equidigital number, since it uses as much as digits as its factorization.

2081071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48440.

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

The square root of 2081071 is about 1442.5917648455. The cubic root of 2081071 is about 127.6719913913.

Adding to 2081071 its reverse (1701802), we get a palindrome (3782873).

The spelling of 2081071 in words is "two million, eighty-one thousand, seventy-one".