504161603 has 4 divisors (see below), whose sum is σ = 549994488. Its totient is φ = 458328720.

The previous prime is 504161597. The next prime is 504161611. The reversal of 504161603 is 306161405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504161603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504161803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22916426 + ... + 22916447.

It is an arithmetic number, because the mean of its divisors is an integer number (137498622).

Almost surely, 2^504161603 is an apocalyptic number.

504161603 is a deficient number, since it is larger than the sum of its proper divisors (45832885).

504161603 is a wasteful number, since it uses less digits than its factorization.

504161603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45832884.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 504161603 is about 22453.5432170515. The cubic root of 504161603 is about 795.8964890485.

The spelling of 504161603 in words is "five hundred four million, one hundred sixty-one thousand, six hundred three".