68052013 has 2 divisors, whose sum is σ = 68052014. Its totient is φ = 68052012.

The previous prime is 68052007. The next prime is 68052031. The reversal of 68052013 is 31025086.

It is a happy number.

Together with next prime (68052031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62678889 + 5373124 = 7917^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 68052013 - 2²⁵ = 34497581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68052043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34026006 + 34026007.

It is an arithmetic number, because the mean of its divisors is an integer number (34026007).

Almost surely, 2^68052013 is an apocalyptic number.

It is an amenable number.

68052013 is a deficient number, since it is larger than the sum of its proper divisors (1).

68052013 is an equidigital number, since it uses as much as digits as its factorization.

68052013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 68052013 is about 8249.3643997583. The cubic root of 68052013 is about 408.2695518686.

Adding to 68052013 its reverse (31025086), we get a palindrome (99077099).

The spelling of 68052013 in words is "sixty-eight million, fifty-two thousand, thirteen".