68275313 has 2 divisors, whose sum is σ = 68275314. Its totient is φ = 68275312.

The previous prime is 68275283. The next prime is 68275381. The reversal of 68275313 is 31357286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 11242609 = 7552^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 68275313 - 2⁸ = 68275057 is a prime.

It is not a weakly prime, because it can be changed into another prime (68275393) 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, 34137656 + 34137657.

It is an arithmetic number, because the mean of its divisors is an integer number (34137657).

Almost surely, 2^68275313 is an apocalyptic number.

It is an amenable number.

68275313 is a deficient number, since it is larger than the sum of its proper divisors (1).

68275313 is an equidigital number, since it uses as much as digits as its factorization.

68275313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 68275313 is about 8262.8876913583. The cubic root of 68275313 is about 408.7156178158.

The spelling of 68275313 in words is "sixty-eight million, two hundred seventy-five thousand, three hundred thirteen".