68835413 has 2 divisors, whose sum is σ = 68835414. Its totient is φ = 68835412.

The previous prime is 68835409. The next prime is 68835443. The reversal of 68835413 is 31453886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 13823524 = 7417^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 68835413 - 2² = 68835409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68835443) 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, 34417706 + 34417707.

It is an arithmetic number, because the mean of its divisors is an integer number (34417707).

Almost surely, 2^68835413 is an apocalyptic number.

It is an amenable number.

68835413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68835413 is an equidigital number, since it uses as much as digits as its factorization.

68835413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 68835413 is about 8296.7109748382. The cubic root of 68835413 is about 409.8302152446.

The spelling of 68835413 in words is "sixty-eight million, eight hundred thirty-five thousand, four hundred thirteen".