503233306013 has 2 divisors, whose sum is σ = 503233306014. Its totient is φ = 503233306012.

The previous prime is 503233306007. The next prime is 503233306021. The reversal of 503233306013 is 310603332305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479565945049 + 23667360964 = 692507^2 + 153842^2 .

It is a cyclic number.

It is not a de Polignac number, because 503233306013 - 2⁴ = 503233305997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503233306033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251616653006 + 251616653007.

It is an arithmetic number, because the mean of its divisors is an integer number (251616653007).

Almost surely, 2^503233306013 is an apocalyptic number.

It is an amenable number.

503233306013 is a deficient number, since it is larger than the sum of its proper divisors (1).

503233306013 is an equidigital number, since it uses as much as digits as its factorization.

503233306013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 29.

Adding to 503233306013 its reverse (310603332305), we get a palindrome (813836638318).

The spelling of 503233306013 in words is "five hundred three billion, two hundred thirty-three million, three hundred six thousand, thirteen".