2787049 has 2 divisors, whose sum is σ = 2787050. Its totient is φ = 2787048.

The previous prime is 2787023. The next prime is 2787061. The reversal of 2787049 is 9407872.

It is a happy number.

2787049 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., 2155024 + 632025 = 1468^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2787049 - 2⁵ = 2787017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2786999 and 2787017.

It is not a weakly prime, because it can be changed into another prime (2787019) 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, 1393524 + 1393525.

It is an arithmetic number, because the mean of its divisors is an integer number (1393525).

2^2787049 is an apocalyptic number.

It is an amenable number.

2787049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2787049 is an equidigital number, since it uses as much as digits as its factorization.

2787049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2787049 is about 1669.4457163981. The cubic root of 2787049 is about 140.7283302444.

The spelling of 2787049 in words is "two million, seven hundred eighty-seven thousand, forty-nine".