2681873 has 2 divisors, whose sum is σ = 2681874. Its totient is φ = 2681872.

The previous prime is 2681863. The next prime is 2681879. The reversal of 2681873 is 3781862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 984064 = 1303^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2681873 - 2⁴ = 2681857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2681879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340936 + 1340937.

It is an arithmetic number, because the mean of its divisors is an integer number (1340937).

2^2681873 is an apocalyptic number.

It is an amenable number.

2681873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681873 is an equidigital number, since it uses as much as digits as its factorization.

2681873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 2681873 is about 1637.6425128825. The cubic root of 2681873 is about 138.9353424937.

The spelling of 2681873 in words is "two million, six hundred eighty-one thousand, eight hundred seventy-three".