2125224169 has 2 divisors, whose sum is σ = 2125224170. Its totient is φ = 2125224168.

The previous prime is 2125224163. The next prime is 2125224221. The reversal of 2125224169 is 9614225212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2123366400 + 1857769 = 46080^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125224169 - 2³ = 2125224161 is a prime.

It is a super-2 number, since 2×2125224169² = 9033155537003481122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2125224161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062612084 + 1062612085.

It is an arithmetic number, because the mean of its divisors is an integer number (1062612085).

Almost surely, 2^2125224169 is an apocalyptic number.

It is an amenable number.

2125224169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125224169 is an equidigital number, since it uses as much as digits as its factorization.

2125224169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 2125224169 is about 46100.1536765334. The cubic root of 2125224169 is about 1285.6860017100.

The spelling of 2125224169 in words is "two billion, one hundred twenty-five million, two hundred twenty-four thousand, one hundred sixty-nine".