551125171 has 2 divisors, whose sum is σ = 551125172. Its totient is φ = 551125170.

The previous prime is 551125151. The next prime is 551125187. The reversal of 551125171 is 171521155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551125171 - 2⁵ = 551125139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (551125151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275562585 + 275562586.

It is an arithmetic number, because the mean of its divisors is an integer number (275562586).

Almost surely, 2^551125171 is an apocalyptic number.

551125171 is a deficient number, since it is larger than the sum of its proper divisors (1).

551125171 is an equidigital number, since it uses as much as digits as its factorization.

551125171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1750, while the sum is 28.

The square root of 551125171 is about 23476.0552691460. The cubic root of 551125171 is about 819.8796030850.

The spelling of 551125171 in words is "five hundred fifty-one million, one hundred twenty-five thousand, one hundred seventy-one".