5271720193 has 2 divisors, whose sum is σ = 5271720194. Its totient is φ = 5271720192.

The previous prime is 5271720187. The next prime is 5271720203. The reversal of 5271720193 is 3910271725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5083262209 + 188457984 = 71297^2 + 13728^2 .

It is a cyclic number.

It is not a de Polignac number, because 5271720193 - 2⁵ = 5271720161 is a prime.

It is not a weakly prime, because it can be changed into another prime (5271721193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635860096 + 2635860097.

It is an arithmetic number, because the mean of its divisors is an integer number (2635860097).

Almost surely, 2^5271720193 is an apocalyptic number.

It is an amenable number.

5271720193 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271720193 is an equidigital number, since it uses as much as digits as its factorization.

5271720193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 5271720193 is about 72606.6125983026. The cubic root of 5271720193 is about 1740.4068490868.

The spelling of 5271720193 in words is "five billion, two hundred seventy-one million, seven hundred twenty thousand, one hundred ninety-three".