68053313 has 2 divisors, whose sum is σ = 68053314. Its totient is φ = 68053312.

The previous prime is 68053289. The next prime is 68053319. The reversal of 68053313 is 31335086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 14807104 = 7297^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 68053313 - 2¹⁸ = 67791169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68053319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34026656 + 34026657.

It is an arithmetic number, because the mean of its divisors is an integer number (34026657).

Almost surely, 2^68053313 is an apocalyptic number.

It is an amenable number.

68053313 is a deficient number, since it is larger than the sum of its proper divisors (1).

68053313 is an equidigital number, since it uses as much as digits as its factorization.

68053313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 68053313 is about 8249.4431933313. The cubic root of 68053313 is about 408.2721515813.

Adding to 68053313 its reverse (31335086), we get a palindrome (99388399).

The spelling of 68053313 in words is "sixty-eight million, fifty-three thousand, three hundred thirteen".