68256029 has 2 divisors, whose sum is σ = 68256030. Its totient is φ = 68256028.

The previous prime is 68255989. The next prime is 68256031. The reversal of 68256029 is 92065286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67404100 + 851929 = 8210^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 68256029 - 2²⁰ = 67207453 is a prime.

Together with 68256031, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 68255983 and 68256001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68256059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34128014 + 34128015.

It is an arithmetic number, because the mean of its divisors is an integer number (34128015).

Almost surely, 2^68256029 is an apocalyptic number.

It is an amenable number.

68256029 is a deficient number, since it is larger than the sum of its proper divisors (1).

68256029 is an equidigital number, since it uses as much as digits as its factorization.

68256029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 68256029 is about 8261.7207045506. The cubic root of 68256029 is about 408.6771343397.

The spelling of 68256029 in words is "sixty-eight million, two hundred fifty-six thousand, twenty-nine".