503713221 has 8 divisors (see below), whose sum is σ = 732673824. Its totient is φ = 305280720.

The previous prime is 503713193. The next prime is 503713261. The reversal of 503713221 is 122317305.

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

It is not a de Polignac number, because 503713221 - 2¹⁵ = 503680453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503713191 and 503713200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503713261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631986 + ... + 7632051.

It is an arithmetic number, because the mean of its divisors is an integer number (91584228).

Almost surely, 2^503713221 is an apocalyptic number.

It is an amenable number.

503713221 is a deficient number, since it is larger than the sum of its proper divisors (228960603).

503713221 is a wasteful number, since it uses less digits than its factorization.

503713221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264051.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 503713221 is about 22443.5563358395. The cubic root of 503713221 is about 795.6604724591.

The spelling of 503713221 in words is "five hundred three million, seven hundred thirteen thousand, two hundred twenty-one".