503117 has 4 divisors (see below), whose sum is σ = 508860. Its totient is φ = 497376.

The previous prime is 503077. The next prime is 503123. The reversal of 503117 is 711305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 244036 + 259081 = 494^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 503117 - 2⁶ = 503053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503095 and 503104.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503117.

It is not an unprimeable number, because it can be changed into a prime (503137) 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, 2738 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (127215).

2⁵⁰³¹¹⁷ is an apocalyptic number.

It is an amenable number.

503117 is a deficient number, since it is larger than the sum of its proper divisors (5743).

503117 is an equidigital number, since it uses as much as digits as its factorization.

503117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 503117 is about 709.3074086741. The cubic root of 503117 is about 79.5346420232.

The spelling of 503117 in words is "five hundred three thousand, one hundred seventeen".