503285401 has 8 divisors (see below), whose sum is σ = 521608320. Its totient is φ = 485027088.

The previous prime is 503285383. The next prime is 503285449. The reversal of 503285401 is 104582305.

503285401 is a nontrivial binomial coefficient, being equal to C(31727, 2).

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

It is not a de Polignac number, because 503285401 - 2⁷ = 503285273 is a prime.

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 503285401.

It is not an unprimeable number, because it can be changed into a prime (503286401) 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, 1 + ... + 31726.

It is an arithmetic number, because the mean of its divisors is an integer number (65201040).

Almost surely, 2^503285401 is an apocalyptic number.

503285401 is the 31726-th triangular number.

503285401 is the 10576-th centered nonagonal number.

It is an amenable number.

503285401 is a deficient number, since it is larger than the sum of its proper divisors (18322919).

503285401 is a wasteful number, since it uses less digits than its factorization.

503285401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 503285401 is about 22434.0232905291. The cubic root of 503285401 is about 795.4351485609.

The spelling of 503285401 in words is "five hundred three million, two hundred eighty-five thousand, four hundred one".