2081873 has 2 divisors, whose sum is σ = 2081874. Its totient is φ = 2081872.

The previous prime is 2081861. The next prime is 2081897. The reversal of 2081873 is 3781802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 73984 = 1417^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081873 - 2⁶ = 2081809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2081813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040936 + 1040937.

It is an arithmetic number, because the mean of its divisors is an integer number (1040937).

2^2081873 is an apocalyptic number.

It is an amenable number.

2081873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081873 is an equidigital number, since it uses as much as digits as its factorization.

2081873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2081873 is about 1442.8697099877. The cubic root of 2081873 is about 127.6883899647.

The spelling of 2081873 in words is "two million, eighty-one thousand, eight hundred seventy-three".