2785273 has 2 divisors, whose sum is σ = 2785274. Its totient is φ = 2785272.

The previous prime is 2785261. The next prime is 2785301. The reversal of 2785273 is 3725872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 56169 = 1652^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2785273 - 2⁵ = 2785241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2785873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392636 + 1392637.

It is an arithmetic number, because the mean of its divisors is an integer number (1392637).

2^2785273 is an apocalyptic number.

It is an amenable number.

2785273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785273 is an equidigital number, since it uses as much as digits as its factorization.

2785273 is an evil number, because the sum of its binary digits is even.

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

The square root of 2785273 is about 1668.9137185607. The cubic root of 2785273 is about 140.6984316405.

The spelling of 2785273 in words is "two million, seven hundred eighty-five thousand, two hundred seventy-three".