503334243 has 20 divisors (see below), whose sum is σ = 754851240. Its totient is φ = 334236672.

The previous prime is 503334203. The next prime is 503334287. The reversal of 503334243 is 342433305.

It is a happy number.

It is not a de Polignac number, because 503334243 - 2¹⁶ = 503268707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (503334203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8728 + ... + 32906.

It is an arithmetic number, because the mean of its divisors is an integer number (37742562).

Almost surely, 2^503334243 is an apocalyptic number.

503334243 is a deficient number, since it is larger than the sum of its proper divisors (251516997).

503334243 is a wasteful number, since it uses less digits than its factorization.

503334243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24448 (or 24439 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 503334243 is about 22435.1118339089. Note that the first 3 decimals coincide. The cubic root of 503334243 is about 795.4608790820.

Adding to 503334243 its reverse (342433305), we get a palindrome (845767548).

The spelling of 503334243 in words is "five hundred three million, three hundred thirty-four thousand, two hundred forty-three".