503133265213 has 4 divisors (see below), whose sum is σ = 503137279420. Its totient is φ = 503129251008.

The previous prime is 503133265189. The next prime is 503133265223. The reversal of 503133265213 is 312562331305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284897602564 + 218235662649 = 533758^2 + 467157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503133265213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503133265223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812828 + ... + 2071861.

It is an arithmetic number, because the mean of its divisors is an integer number (125784319855).

Almost surely, 2^503133265213 is an apocalyptic number.

It is an amenable number.

503133265213 is a deficient number, since it is larger than the sum of its proper divisors (4014207).

503133265213 is a wasteful number, since it uses less digits than its factorization.

503133265213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014206.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 503133265213 its reverse (312562331305), we get a palindrome (815695596518).

The spelling of 503133265213 in words is "five hundred three billion, one hundred thirty-three million, two hundred sixty-five thousand, two hundred thirteen".