50002502513 has 2 divisors, whose sum is σ = 50002502514. Its totient is φ = 50002502512.

The previous prime is 50002502477. The next prime is 50002502531. The reversal of 50002502513 is 31520520005.

Together with next prime (50002502531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34687945009 + 15314557504 = 186247^2 + 123752^2 .

It is a cyclic number.

It is not a de Polignac number, because 50002502513 - 2⁸ = 50002502257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50002502213) 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 as a sum of consecutive naturals, namely, 25001251256 + 25001251257.

It is an arithmetic number, because the mean of its divisors is an integer number (25001251257).

Almost surely, 2^50002502513 is an apocalyptic number.

It is an amenable number.

50002502513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50002502513 is an equidigital number, since it uses as much as digits as its factorization.

50002502513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 50002502513 in words is "fifty billion, two million, five hundred two thousand, five hundred thirteen".