2813273 has 6 divisors (see below), whose sum is σ = 2969514. Its totient is φ = 2664864.

The previous prime is 2813267. The next prime is 2813287. The reversal of 2813273 is 3723182.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 17689 = 1672^2 + 133^2 .

It is not a de Polignac number, because 2813273 - 2⁴ = 2813257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3536 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (494919).

2^2813273 is an apocalyptic number.

It is an amenable number.

2813273 is a deficient number, since it is larger than the sum of its proper divisors (156241).

2813273 is an equidigital number, since it uses as much as digits as its factorization.

2813273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831 (or 7812 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 2813273 is about 1677.2814313645. The cubic root of 2813273 is about 141.1683350738.

Subtracting 2813273 from its reverse (3723182), we obtain a palindrome (909909).

The spelling of 2813273 in words is "two million, eight hundred thirteen thousand, two hundred seventy-three".