2560603 has 2 divisors, whose sum is σ = 2560604. Its totient is φ = 2560602.

The previous prime is 2560601. The next prime is 2560637. The reversal of 2560603 is 3060652.

2560603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2560603 - 2¹ = 2560601 is a prime.

Together with 2560601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2560601) 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, 1280301 + 1280302.

It is an arithmetic number, because the mean of its divisors is an integer number (1280302).

2^2560603 is an apocalyptic number.

2560603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560603 is an equidigital number, since it uses as much as digits as its factorization.

2560603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2560603 is about 1600.1884264048. The cubic root of 2560603 is about 136.8088156773.

It can be divided in two parts, 256060 and 3, that multiplied together give a triangular number (768180 = T₁₂₃₉).

The spelling of 2560603 in words is "two million, five hundred sixty thousand, six hundred three".