2606503 has 2 divisors, whose sum is σ = 2606504. Its totient is φ = 2606502.

The previous prime is 2606497. The next prime is 2606509. The reversal of 2606503 is 3056062.

It is a balanced prime because it is at equal distance from previous prime (2606497) and next prime (2606509).

It is a cyclic number.

It is not a de Polignac number, because 2606503 - 2⁹ = 2605991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2606509) 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, 1303251 + 1303252.

It is an arithmetic number, because the mean of its divisors is an integer number (1303252).

2^2606503 is an apocalyptic number.

2606503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2606503 is an equidigital number, since it uses as much as digits as its factorization.

2606503 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 2606503 is about 1614.4667850408. The cubic root of 2606503 is about 137.6214332205.

The spelling of 2606503 in words is "two million, six hundred six thousand, five hundred three".