505005603 has 16 divisors (see below), whose sum is σ = 685910400. Its totient is φ = 330405120.

The previous prime is 505005583. The next prime is 505005607. The reversal of 505005603 is 306500505.

It is not a de Polignac number, because 505005603 - 2⁹ = 505005091 is a prime.

It is a super-2 number, since 2×505005603² = 510061318122787218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505005607) 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, 120243 + ... + 124371.

It is an arithmetic number, because the mean of its divisors is an integer number (42869400).

Almost surely, 2^505005603 is an apocalyptic number.

505005603 is a deficient number, since it is larger than the sum of its proper divisors (180904797).

505005603 is a wasteful number, since it uses less digits than its factorization.

505005603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505005603 is about 22472.3297190122. The cubic root of 505005603 is about 796.3403693024.

The spelling of 505005603 in words is "five hundred five million, five thousand, six hundred three".