2784563 has 2 divisors, whose sum is σ = 2784564. Its totient is φ = 2784562.

The previous prime is 2784557. The next prime is 2784569. The reversal of 2784563 is 3654872.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2784557) and next prime (2784569).

It is a cyclic number.

It is not a de Polignac number, because 2784563 - 2⁴ = 2784547 is a prime.

It is a super-2 number, since 2×2784563² = 15507582201938, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁸ + 7⁷ + 8² + 4⁷ + 5⁴ + 6⁸ + 3⁷ .

It is not a weakly prime, because it can be changed into another prime (2784569) 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, 1392281 + 1392282.

It is an arithmetic number, because the mean of its divisors is an integer number (1392282).

2^2784563 is an apocalyptic number.

2784563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784563 is an equidigital number, since it uses as much as digits as its factorization.

2784563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 2784563 is about 1668.7009917897. The cubic root of 2784563 is about 140.6864753768.

The spelling of 2784563 in words is "two million, seven hundred eighty-four thousand, five hundred sixty-three".