500000500001 has 2 divisors, whose sum is σ = 500000500002. Its totient is φ = 500000500000.

The previous prime is 500000499959. The next prime is 500000500009. The reversal of 500000500001 is 100005000005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450804816400 + 49195683601 = 671420^2 + 221801^2 .

It is a cyclic number.

It is not a de Polignac number, because 500000500001 - 2⁶ = 500000499937 is a prime.

It is a pancake number, because a pancake can be divided into 500000500001 parts by 1000000 straight cuts.

It is not a weakly prime, because it can be changed into another prime (500000500009) 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, 250000250000 + 250000250001.

It is an arithmetic number, because the mean of its divisors is an integer number (250000250001).

Almost surely, 2^500000500001 is an apocalyptic number.

It is an amenable number.

500000500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

500000500001 is an equidigital number, since it uses as much as digits as its factorization.

500000500001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 11.

Adding to 500000500001 its reverse (100005000005), we get a palindrome (600005500006).

It can be divided in two parts, 500000 and 500001, that added together give a palindrome (1000001).

The spelling of 500000500001 in words is "five hundred billion, five hundred thousand, one".