68008571 has 2 divisors, whose sum is σ = 68008572. Its totient is φ = 68008570.

The previous prime is 68008561. The next prime is 68008573. The reversal of 68008571 is 17580086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68008571 - 2¹⁰ = 68007547 is a prime.

Together with 68008573, 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 not a weakly prime, because it can be changed into another prime (68008573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34004285 + 34004286.

It is an arithmetic number, because the mean of its divisors is an integer number (34004286).

Almost surely, 2^68008571 is an apocalyptic number.

68008571 is a deficient number, since it is larger than the sum of its proper divisors (1).

68008571 is an equidigital number, since it uses as much as digits as its factorization.

68008571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 68008571 is about 8246.7309280708. The cubic root of 68008571 is about 408.1826584251.

The spelling of 68008571 in words is "sixty-eight million, eight thousand, five hundred seventy-one".