5005000001 has 2 divisors, whose sum is σ = 5005000002. Its totient is φ = 5005000000.

The previous prime is 5004999997. The next prime is 5005000009. The reversal of 5005000001 is 1000005005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4515705601 + 489294400 = 67199^2 + 22120^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005000001 - 2² = 5004999997 is a prime.

It is not a weakly prime, because it can be changed into another prime (5005000009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502500000 + 2502500001.

It is an arithmetic number, because the mean of its divisors is an integer number (2502500001).

Almost surely, 2^5005000001 is an apocalyptic number.

It is an amenable number.

5005000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005000001 is an equidigital number, since it uses as much as digits as its factorization.

5005000001 is an evil number, because the sum of its binary digits is even.

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

The square root of 5005000001 is about 70746.0246303635. The cubic root of 5005000001 is about 1710.5457488810.

Adding to 5005000001 its reverse (1000005005), we get a palindrome (6005005006).

The spelling of 5005000001 in words is "five billion, five million, one", and thus it is an aban number and an uban number.