2783243 has 2 divisors, whose sum is σ = 2783244. Its totient is φ = 2783242.

The previous prime is 2783227. The next prime is 2783267. The reversal of 2783243 is 3423872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2783243 - 2⁴ = 2783227 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 7³ + 8 + 3⁶ + 2¹⁷ + 4¹⁰ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2783213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391621 + 1391622.

It is an arithmetic number, because the mean of its divisors is an integer number (1391622).

2^2783243 is an apocalyptic number.

2783243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2783243 is an equidigital number, since it uses as much as digits as its factorization.

2783243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 2783243 is about 1668.3054276720. The cubic root of 2783243 is about 140.6642414273.

The spelling of 2783243 in words is "two million, seven hundred eighty-three thousand, two hundred forty-three".