2773825 has 12 divisors (see below), whose sum is σ = 3464188. Its totient is φ = 2203200.

The previous prime is 2773819. The next prime is 2773843. The reversal of 2773825 is 5283772.

It can be written as a sum of positive squares in 6 ways, for example, as 1555009 + 1218816 = 1247^2 + 1104^2 .

It is not a de Polignac number, because 2773825 - 2³ = 2773817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4219 + ... + 4831.

2^2773825 is an apocalyptic number.

2773825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2773825 is a deficient number, since it is larger than the sum of its proper divisors (690363).

2773825 is a wasteful number, since it uses less digits than its factorization.

2773825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 799 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 2773825 is about 1665.4804111727. The cubic root of 2773825 is about 140.5054011931.

The spelling of 2773825 in words is "two million, seven hundred seventy-three thousand, eight hundred twenty-five".