2782193 has 2 divisors, whose sum is σ = 2782194. Its totient is φ = 2782192.

The previous prime is 2782187. The next prime is 2782201. The reversal of 2782193 is 3912872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 659344 = 1457^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2782193 - 2⁸ = 2781937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2782123) 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 as a sum of consecutive naturals, namely, 1391096 + 1391097.

It is an arithmetic number, because the mean of its divisors is an integer number (1391097).

2^2782193 is an apocalyptic number.

It is an amenable number.

2782193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782193 is an equidigital number, since it uses as much as digits as its factorization.

2782193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 2782193 is about 1667.9907074082. The cubic root of 2782193 is about 140.6465503105.

The spelling of 2782193 in words is "two million, seven hundred eighty-two thousand, one hundred ninety-three".