2081115 has 24 divisors (see below), whose sum is σ = 3650400. Its totient is φ = 1096704.

The previous prime is 2081099. The next prime is 2081129. The reversal of 2081115 is 5111802.

2081115 = 88² + 89² + ... + 190².

It is not a de Polignac number, because 2081115 - 2⁴ = 2081099 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4411 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (152100).

2^2081115 is an apocalyptic number.

2081115 is a deficient number, since it is larger than the sum of its proper divisors (1569285).

2081115 is a wasteful number, since it uses less digits than its factorization.

2081115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 560 counting only the distinct ones).

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

The square root of 2081115 is about 1442.6070150945. The cubic root of 2081115 is about 127.6728911729.

Adding to 2081115 its reverse (5111802), we get a palindrome (7192917).

The spelling of 2081115 in words is "two million, eighty-one thousand, one hundred fifteen".