503212113 has 24 divisors (see below), whose sum is σ = 732888000. Its totient is φ = 332708064.

The previous prime is 503212081. The next prime is 503212123. The reversal of 503212113 is 311212305.

It is not a de Polignac number, because 503212113 - 2⁵ = 503212081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503212123) 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 23 ways as a sum of consecutive naturals, for example, 839788 + ... + 840386.

It is an arithmetic number, because the mean of its divisors is an integer number (30537000).

Almost surely, 2^503212113 is an apocalyptic number.

It is an amenable number.

503212113 is a deficient number, since it is larger than the sum of its proper divisors (229675887).

503212113 is a wasteful number, since it uses less digits than its factorization.

503212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 503212113 is about 22432.3898191878. The cubic root of 503212113 is about 795.3965364859.

Adding to 503212113 its reverse (311212305), we get a palindrome (814424418).

The spelling of 503212113 in words is "five hundred three million, two hundred twelve thousand, one hundred thirteen".