268528171 has 2 divisors, whose sum is σ = 268528172. Its totient is φ = 268528170.

The previous prime is 268528153. The next prime is 268528187. The reversal of 268528171 is 171825862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268528171 is a prime.

It is not a weakly prime, because it can be changed into another prime (268528111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134264085 + 134264086.

It is an arithmetic number, because the mean of its divisors is an integer number (134264086).

Almost surely, 2^268528171 is an apocalyptic number.

268528171 is a deficient number, since it is larger than the sum of its proper divisors (1).

268528171 is an equidigital number, since it uses as much as digits as its factorization.

268528171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 40.

The square root of 268528171 is about 16386.8291929830. The cubic root of 268528171 is about 645.1538370715.

The spelling of 268528171 in words is "two hundred sixty-eight million, five hundred twenty-eight thousand, one hundred seventy-one".