2549873 has 2 divisors, whose sum is σ = 2549874. Its totient is φ = 2549872.

The previous prime is 2549867. The next prime is 2549879. The reversal of 2549873 is 3789452.

2549873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2549867) and next prime (2549879).

It can be written as a sum of positive squares in only one way, i.e., 1882384 + 667489 = 1372^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549873 - 2¹⁰ = 2548849 is a prime.

It is a super-2 number, since 2×2549873² = 13003704632258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2549879) 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, 1274936 + 1274937.

It is an arithmetic number, because the mean of its divisors is an integer number (1274937).

2^2549873 is an apocalyptic number.

It is an amenable number.

2549873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549873 is an equidigital number, since it uses as much as digits as its factorization.

2549873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 2549873 is about 1596.8321765295. The cubic root of 2549873 is about 136.6174527011.

The spelling of 2549873 in words is "two million, five hundred forty-nine thousand, eight hundred seventy-three".