2781067 has 2 divisors, whose sum is σ = 2781068. Its totient is φ = 2781066.

The previous prime is 2781061. The next prime is 2781073. The reversal of 2781067 is 7601872.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2781061) and next prime (2781073).

It is a cyclic number.

It is not a de Polignac number, because 2781067 - 2³ = 2781059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2781061) 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, 1390533 + 1390534.

It is an arithmetic number, because the mean of its divisors is an integer number (1390534).

2^2781067 is an apocalyptic number.

2781067 is a deficient number, since it is larger than the sum of its proper divisors (1).

2781067 is an equidigital number, since it uses as much as digits as its factorization.

2781067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 2781067 is about 1667.6531413936. The cubic root of 2781067 is about 140.6275737471.

The spelling of 2781067 in words is "two million, seven hundred eighty-one thousand, sixty-seven".