505606003 has 16 divisors (see below), whose sum is σ = 588623040. Its totient is φ = 425318400.

The previous prime is 505605977. The next prime is 505606067. The reversal of 505606003 is 300606505.

It is a cyclic number.

It is not a de Polignac number, because 505606003 - 2⁹ = 505605491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505606403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241923 + ... + 244003.

It is an arithmetic number, because the mean of its divisors is an integer number (36788940).

Almost surely, 2^505606003 is an apocalyptic number.

505606003 is a deficient number, since it is larger than the sum of its proper divisors (83017037).

505606003 is a wasteful number, since it uses less digits than its factorization.

505606003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 505606003 is about 22485.6844014142. The cubic root of 505606003 is about 796.6558333951.

The spelling of 505606003 in words is "five hundred five million, six hundred six thousand, three".