2125523017 has 2 divisors, whose sum is σ = 2125523018. Its totient is φ = 2125523016.

The previous prime is 2125522963. The next prime is 2125523021. The reversal of 2125523017 is 7103255212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1895818681 + 229704336 = 43541^2 + 15156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125523017 - 2¹⁵ = 2125490249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125521017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062761508 + 1062761509.

It is an arithmetic number, because the mean of its divisors is an integer number (1062761509).

Almost surely, 2^2125523017 is an apocalyptic number.

It is an amenable number.

2125523017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125523017 is an equidigital number, since it uses as much as digits as its factorization.

2125523017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2125523017 is about 46103.3948533077. The cubic root of 2125523017 is about 1285.7462630677.

Adding to 2125523017 its reverse (7103255212), we get a palindrome (9228778229).

The spelling of 2125523017 in words is "two billion, one hundred twenty-five million, five hundred twenty-three thousand, seventeen".