503253321 has 4 divisors (see below), whose sum is σ = 671004432. Its totient is φ = 335502212.

The previous prime is 503253307. The next prime is 503253341. The reversal of 503253321 is 123352305.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503253321 - 2⁹ = 503252809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503253291 and 503253300.

It is not an unprimeable number, because it can be changed into a prime (503253301) 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 3 ways as a sum of consecutive naturals, for example, 83875551 + ... + 83875556.

It is an arithmetic number, because the mean of its divisors is an integer number (167751108).

Almost surely, 2^503253321 is an apocalyptic number.

It is an amenable number.

503253321 is a deficient number, since it is larger than the sum of its proper divisors (167751111).

503253321 is a wasteful number, since it uses less digits than its factorization.

503253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167751110.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 503253321 is about 22433.3082936958. The cubic root of 503253321 is about 795.4182475463.

The spelling of 503253321 in words is "five hundred three million, two hundred fifty-three thousand, three hundred twenty-one".