5206012613 has 2 divisors, whose sum is σ = 5206012614. Its totient is φ = 5206012612.

The previous prime is 5206012577. The next prime is 5206012631. The reversal of 5206012613 is 3162106025.

Together with next prime (5206012631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4703490724 + 502521889 = 68582^2 + 22417^2 .

It is a cyclic number.

It is not a de Polignac number, because 5206012613 - 2⁶ = 5206012549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5206512613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603006306 + 2603006307.

It is an arithmetic number, because the mean of its divisors is an integer number (2603006307).

Almost surely, 2^5206012613 is an apocalyptic number.

It is an amenable number.

5206012613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206012613 is an equidigital number, since it uses as much as digits as its factorization.

5206012613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5206012613 is about 72152.7034351451. The cubic root of 5206012613 is about 1733.1456920110.

Adding to 5206012613 its reverse (3162106025), we get a palindrome (8368118638).

The spelling of 5206012613 in words is "five billion, two hundred six million, twelve thousand, six hundred thirteen".