2655563 has 2 divisors, whose sum is σ = 2655564. Its totient is φ = 2655562.

The previous prime is 2655539. The next prime is 2655571. The reversal of 2655563 is 3655562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2655563 - 2¹⁰ = 2654539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2655463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327781 + 1327782.

It is an arithmetic number, because the mean of its divisors is an integer number (1327782).

2^2655563 is an apocalyptic number.

2655563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655563 is an equidigital number, since it uses as much as digits as its factorization.

2655563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 2655563 is about 1629.5898256923. The cubic root of 2655563 is about 138.4795157965.

Subtracting 2655563 from its reverse (3655562), we obtain a palindrome (999999).

The spelling of 2655563 in words is "two million, six hundred fifty-five thousand, five hundred sixty-three".