68133353 has 2 divisors, whose sum is σ = 68133354. Its totient is φ = 68133352.

The previous prime is 68133347. The next prime is 68133389. The reversal of 68133353 is 35333186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36638809 + 31494544 = 6053^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 68133353 - 2⁸ = 68133097 is a prime.

It is not a weakly prime, because it can be changed into another prime (68133323) 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, 34066676 + 34066677.

It is an arithmetic number, because the mean of its divisors is an integer number (34066677).

Almost surely, 2^68133353 is an apocalyptic number.

It is an amenable number.

68133353 is a deficient number, since it is larger than the sum of its proper divisors (1).

68133353 is an equidigital number, since it uses as much as digits as its factorization.

68133353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 68133353 is about 8254.2930042494. The cubic root of 68133353 is about 408.4321501600.

It can be divided in two parts, 68133 and 353, that added together give a palindrome (68486).

The spelling of 68133353 in words is "sixty-eight million, one hundred thirty-three thousand, three hundred fifty-three".