5268479526257 has 2 divisors, whose sum is σ = 5268479526258. Its totient is φ = 5268479526256.

The previous prime is 5268479526251. The next prime is 5268479526371. The reversal of 5268479526257 is 7526259748625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5256858470656 + 11621055601 = 2292784^2 + 107801^2 .

It is a cyclic number.

It is not a de Polignac number, because 5268479526257 - 2²⁰ = 5268478477681 is a prime.

It is not a weakly prime, because it can be changed into another prime (5268479526251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634239763128 + 2634239763129.

It is an arithmetic number, because the mean of its divisors is an integer number (2634239763129).

Almost surely, 2^{5268479526257} is an apocalyptic number.

It is an amenable number.

5268479526257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5268479526257 is an equidigital number, since it uses as much as digits as its factorization.

5268479526257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032000, while the sum is 68.

The spelling of 5268479526257 in words is "five trillion, two hundred sixty-eight billion, four hundred seventy-nine million, five hundred twenty-six thousand, two hundred fifty-seven".