2782069 has 2 divisors, whose sum is σ = 2782070. Its totient is φ = 2782068.

The previous prime is 2782063. The next prime is 2782081. The reversal of 2782069 is 9602872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439844 + 342225 = 1562^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2782069 - 2³ = 2782061 is a prime.

It is a super-2 number, since 2×2782069² = 15479815841522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2782061) 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, 1391034 + 1391035.

It is an arithmetic number, because the mean of its divisors is an integer number (1391035).

2^2782069 is an apocalyptic number.

It is an amenable number.

2782069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2782069 is an equidigital number, since it uses as much as digits as its factorization.

2782069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2782069 is about 1667.9535365231. The cubic root of 2782069 is about 140.6444607800.

It can be divided in two parts, 27820 and 69, that added together give a square (27889 = 167²).

The spelling of 2782069 in words is "two million, seven hundred eighty-two thousand, sixty-nine".