5216271257 has 2 divisors, whose sum is σ = 5216271258. Its totient is φ = 5216271256.

The previous prime is 5216271241. The next prime is 5216271287. The reversal of 5216271257 is 7521726125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5112822016 + 103449241 = 71504^2 + 10171^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216271257 - 2⁴ = 5216271241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5216271257.

It is not a weakly prime, because it can be changed into another prime (5216271227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608135628 + 2608135629.

It is an arithmetic number, because the mean of its divisors is an integer number (2608135629).

Almost surely, 2^5216271257 is an apocalyptic number.

It is an amenable number.

5216271257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5216271257 is an equidigital number, since it uses as much as digits as its factorization.

5216271257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 5216271257 is about 72223.7582586229. The cubic root of 5216271257 is about 1734.2833546974.

The spelling of 5216271257 in words is "five billion, two hundred sixteen million, two hundred seventy-one thousand, two hundred fifty-seven".