5256515113 has 2 divisors, whose sum is σ = 5256515114. Its totient is φ = 5256515112.

The previous prime is 5256515101. The next prime is 5256515137. The reversal of 5256515113 is 3115156525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2751212304 + 2505302809 = 52452^2 + 50053^2 .

It is a cyclic number.

It is not a de Polignac number, because 5256515113 - 2¹⁷ = 5256384041 is a prime.

It is a super-2 number, since 2×5256515113² = 55261902266394805538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5256516113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628257556 + 2628257557.

It is an arithmetic number, because the mean of its divisors is an integer number (2628257557).

Almost surely, 2^5256515113 is an apocalyptic number.

It is an amenable number.

5256515113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256515113 is an equidigital number, since it uses as much as digits as its factorization.

5256515113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 34.

The square root of 5256515113 is about 72501.8283424632. The cubic root of 5256515113 is about 1738.7319683113.

The spelling of 5256515113 in words is "five billion, two hundred fifty-six million, five hundred fifteen thousand, one hundred thirteen".