2568403 has 2 divisors, whose sum is σ = 2568404. Its totient is φ = 2568402.

The previous prime is 2568389. The next prime is 2568407. The reversal of 2568403 is 3048652.

2568403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2568403 - 2⁹ = 2567891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2568407) 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, 1284201 + 1284202.

It is an arithmetic number, because the mean of its divisors is an integer number (1284202).

2^2568403 is an apocalyptic number.

2568403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2568403 is an equidigital number, since it uses as much as digits as its factorization.

2568403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2568403 is about 1602.6237861707. The cubic root of 2568403 is about 136.9475885973.

Subtracting 2568403 from its reverse (3048652), we obtain a square (480249 = 693²).

The spelling of 2568403 in words is "two million, five hundred sixty-eight thousand, four hundred three".