2125225171 has 2 divisors, whose sum is σ = 2125225172. Its totient is φ = 2125225170.

The previous prime is 2125225169. The next prime is 2125225237. The reversal of 2125225171 is 1715225212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125225171 - 2¹ = 2125225169 is a prime.

Together with 2125225169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2125225121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062612585 + 1062612586.

It is an arithmetic number, because the mean of its divisors is an integer number (1062612586).

Almost surely, 2^2125225171 is an apocalyptic number.

2125225171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125225171 is an equidigital number, since it uses as much as digits as its factorization.

2125225171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 2125225171 is about 46100.1645441749. The cubic root of 2125225171 is about 1285.6862037682.

The spelling of 2125225171 in words is "two billion, one hundred twenty-five million, two hundred twenty-five thousand, one hundred seventy-one".