5255268817 has 2 divisors, whose sum is σ = 5255268818. Its totient is φ = 5255268816.

The previous prime is 5255268793. The next prime is 5255268829. The reversal of 5255268817 is 7188625525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4807480896 + 447787921 = 69336^2 + 21161^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255268817 - 2¹⁹ = 5254744529 is a prime.

It is not a weakly prime, because it can be changed into another prime (5255268847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627634408 + 2627634409.

It is an arithmetic number, because the mean of its divisors is an integer number (2627634409).

Almost surely, 2^5255268817 is an apocalyptic number.

It is an amenable number.

5255268817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255268817 is an equidigital number, since it uses as much as digits as its factorization.

5255268817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344000, while the sum is 49.

The square root of 5255268817 is about 72493.2329048719. The cubic root of 5255268817 is about 1738.5945422833.

The spelling of 5255268817 in words is "five billion, two hundred fifty-five million, two hundred sixty-eight thousand, eight hundred seventeen".