503280775013 has 2 divisors, whose sum is σ = 503280775014. Its totient is φ = 503280775012.

The previous prime is 503280774989. The next prime is 503280775061. The reversal of 503280775013 is 310577082305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492183627364 + 11097147649 = 701558^2 + 105343^2 .

It is a cyclic number.

It is not a de Polignac number, because 503280775013 - 2¹⁸ = 503280512869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503280775073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251640387506 + 251640387507.

It is an arithmetic number, because the mean of its divisors is an integer number (251640387507).

Almost surely, 2^503280775013 is an apocalyptic number.

It is an amenable number.

503280775013 is a deficient number, since it is larger than the sum of its proper divisors (1).

503280775013 is an equidigital number, since it uses as much as digits as its factorization.

503280775013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 503280775013 in words is "five hundred three billion, two hundred eighty million, seven hundred seventy-five thousand, thirteen".