5003278081 has 2 divisors, whose sum is σ = 5003278082. Its totient is φ = 5003278080.

The previous prime is 5003278079. The next prime is 5003278117. The reversal of 5003278081 is 1808723005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4952640625 + 50637456 = 70375^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003278081 - 2¹ = 5003278079 is a prime.

It is a super-2 number, since 2×5003278081² = 50065583111630085122, which contains 22 as substring.

Together with 5003278079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5003272081) 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, 2501639040 + 2501639041.

It is an arithmetic number, because the mean of its divisors is an integer number (2501639041).

Almost surely, 2^5003278081 is an apocalyptic number.

It is an amenable number.

5003278081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5003278081 is an equidigital number, since it uses as much as digits as its factorization.

5003278081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 5003278081 is about 70733.8538537241. The cubic root of 5003278081 is about 1710.3495610168.

The spelling of 5003278081 in words is "five billion, three million, two hundred seventy-eight thousand, eighty-one".