2782049 has 2 divisors, whose sum is σ = 2782050. Its totient is φ = 2782048.

The previous prime is 2782019. The next prime is 2782061. The reversal of 2782049 is 9402872.

2782049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 1281424 = 1225^2 + 1132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2782049 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2782009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391024 + 1391025.

It is an arithmetic number, because the mean of its divisors is an integer number (1391025).

2^2782049 is an apocalyptic number.

It is an amenable number.

2782049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782049 is an equidigital number, since it uses as much as digits as its factorization.

2782049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2782049 is about 1667.9475411415. The cubic root of 2782049 is about 140.6441237531.

The spelling of 2782049 in words is "two million, seven hundred eighty-two thousand, forty-nine".