2125521227 has 2 divisors, whose sum is σ = 2125521228. Its totient is φ = 2125521226.

The previous prime is 2125521179. The next prime is 2125521247. The reversal of 2125521227 is 7221255212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125521227 - 2¹⁰ = 2125520203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2125521227.

It is not a weakly prime, because it can be changed into another prime (2125521247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062760613 + 1062760614.

It is an arithmetic number, because the mean of its divisors is an integer number (1062760614).

Almost surely, 2^2125521227 is an apocalyptic number.

2125521227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125521227 is an equidigital number, since it uses as much as digits as its factorization.

2125521227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 2125521227 is about 46103.3754404165. The cubic root of 2125521227 is about 1285.7459021390.

Adding to 2125521227 its reverse (7221255212), we get a palindrome (9346776439).

The spelling of 2125521227 in words is "two billion, one hundred twenty-five million, five hundred twenty-one thousand, two hundred twenty-seven".