606503 has 2 divisors, whose sum is σ = 606504. Its totient is φ = 606502.

The previous prime is 606497. The next prime is 606521. The reversal of 606503 is 305606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606503 - 2⁸ = 606247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606503.

It is not a weakly prime, because it can be changed into another prime (603503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303251 + 303252.

It is an arithmetic number, because the mean of its divisors is an integer number (303252).

2⁶⁰⁶⁵⁰³ is an apocalyptic number.

606503 is a deficient number, since it is larger than the sum of its proper divisors (1).

606503 is an equidigital number, since it uses as much as digits as its factorization.

606503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 606503 is about 778.7830249819. The cubic root of 606503 is about 84.6468857282.

The spelling of 606503 in words is "six hundred six thousand, five hundred three".