68551271 has 4 divisors (see below), whose sum is σ = 69321600. Its totient is φ = 67780944.

The previous prime is 68551267. The next prime is 68551279. The reversal of 68551271 is 17215586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68551271 - 2² = 68551267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68551279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385031 + ... + 385208.

It is an arithmetic number, because the mean of its divisors is an integer number (17330400).

Almost surely, 2^68551271 is an apocalyptic number.

68551271 is a deficient number, since it is larger than the sum of its proper divisors (770329).

68551271 is an equidigital number, since it uses as much as digits as its factorization.

68551271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770328.

The product of its digits is 16800, while the sum is 35.

The square root of 68551271 is about 8279.5694936391. The cubic root of 68551271 is about 409.2655321859.

The spelling of 68551271 in words is "sixty-eight million, five hundred fifty-one thousand, two hundred seventy-one".