503675503 has 6 divisors (see below), whose sum is σ = 531580344. Its totient is φ = 477165924.

The previous prime is 503675489. The next prime is 503675521. The reversal of 503675503 is 305576305.

It is a de Polignac number, because none of the positive numbers 2^k-503675503 is a prime.

It is a super-3 number, since 3×503675503³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503675533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697251 + ... + 697972.

It is an arithmetic number, because the mean of its divisors is an integer number (88596724).

Almost surely, 2^503675503 is an apocalyptic number.

503675503 is a deficient number, since it is larger than the sum of its proper divisors (27904841).

503675503 is a wasteful number, since it uses less digits than its factorization.

503675503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395261 (or 1395242 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 503675503 is about 22442.7160343841. The cubic root of 503675503 is about 795.6406123022.

The spelling of 503675503 in words is "five hundred three million, six hundred seventy-five thousand, five hundred three".