505003025003 has 8 divisors (see below), whose sum is σ = 530496324000. Its totient is φ = 479804446528.

The previous prime is 505003024951. The next prime is 505003025063. The reversal of 505003025003 is 300520300505.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505003025003 - 2¹⁴ = 505003008619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505003025003.

It is not an unprimeable number, because it can be changed into a prime (505003025063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73676618 + ... + 73683471.

It is an arithmetic number, because the mean of its divisors is an integer number (66312040500).

Almost surely, 2^505003025003 is an apocalyptic number.

505003025003 is a deficient number, since it is larger than the sum of its proper divisors (25493298997).

505003025003 is a wasteful number, since it uses less digits than its factorization.

505003025003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147360261.

The product of its (nonzero) digits is 2250, while the sum is 23.

Adding to 505003025003 its reverse (300520300505), we get a palindrome (805523325508).

The spelling of 505003025003 in words is "five hundred five billion, three million, twenty-five thousand, three".