2081151 has 12 divisors (see below), whose sum is σ = 3063528. Its totient is φ = 1360944.

The previous prime is 2081147. The next prime is 2081159. The reversal of 2081151 is 1511802.

It is not a de Polignac number, because 2081151 - 2² = 2081147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081159) 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, 1705 + ... + 2658.

It is an arithmetic number, because the mean of its divisors is an integer number (255294).

2^2081151 is an apocalyptic number.

2081151 is a deficient number, since it is larger than the sum of its proper divisors (982377).

2081151 is a wasteful number, since it uses less digits than its factorization.

2081151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 2081151 is about 1442.6194924511. The cubic root of 2081151 is about 127.6736273484.

Adding to 2081151 its reverse (1511802), we get a palindrome (3592953).

The spelling of 2081151 in words is "two million, eighty-one thousand, one hundred fifty-one".