68152171 has 2 divisors, whose sum is σ = 68152172. Its totient is φ = 68152170.

The previous prime is 68152163. The next prime is 68152177. The reversal of 68152171 is 17125186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68152171 - 2³ = 68152163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68152177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34076085 + 34076086.

It is an arithmetic number, because the mean of its divisors is an integer number (34076086).

Almost surely, 2^68152171 is an apocalyptic number.

68152171 is a deficient number, since it is larger than the sum of its proper divisors (1).

68152171 is an equidigital number, since it uses as much as digits as its factorization.

68152171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 31.

The square root of 68152171 is about 8255.4328172422. The cubic root of 68152171 is about 408.4697488219.

The spelling of 68152171 in words is "sixty-eight million, one hundred fifty-two thousand, one hundred seventy-one".