255112171 has 2 divisors, whose sum is σ = 255112172. Its totient is φ = 255112170.

The previous prime is 255112157. The next prime is 255112189. The reversal of 255112171 is 171211552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255112171 - 2²³ = 246723563 is a prime.

It is not a weakly prime, because it can be changed into another prime (255112271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127556085 + 127556086.

It is an arithmetic number, because the mean of its divisors is an integer number (127556086).

Almost surely, 2^255112171 is an apocalyptic number.

255112171 is a deficient number, since it is larger than the sum of its proper divisors (1).

255112171 is an equidigital number, since it uses as much as digits as its factorization.

255112171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 25.

The square root of 255112171 is about 15972.2312467607. The cubic root of 255112171 is about 634.2255389793.

The spelling of 255112171 in words is "two hundred fifty-five million, one hundred twelve thousand, one hundred seventy-one".