500550013 has 2 divisors, whose sum is σ = 500550014. Its totient is φ = 500550012.

The previous prime is 500550007. The next prime is 500550059. The reversal of 500550013 is 310055005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492041124 + 8508889 = 22182^2 + 2917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500550013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500550313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250275006 + 250275007.

It is an arithmetic number, because the mean of its divisors is an integer number (250275007).

Almost surely, 2^500550013 is an apocalyptic number.

It is an amenable number.

500550013 is a deficient number, since it is larger than the sum of its proper divisors (1).

500550013 is an equidigital number, since it uses as much as digits as its factorization.

500550013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 500550013 is about 22372.9750592093. The cubic root of 500550013 is about 793.9914497405.

The spelling of 500550013 in words is "five hundred million, five hundred fifty thousand, thirteen".