2125040213 has 2 divisors, whose sum is σ = 2125040214. Its totient is φ = 2125040212.

The previous prime is 2125040189. The next prime is 2125040243. The reversal of 2125040213 is 3120405212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140210289 + 984829924 = 33767^2 + 31382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125040213 - 2¹² = 2125036117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125040243) 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, 1062520106 + 1062520107.

It is an arithmetic number, because the mean of its divisors is an integer number (1062520107).

Almost surely, 2^2125040213 is an apocalyptic number.

It is an amenable number.

2125040213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125040213 is an equidigital number, since it uses as much as digits as its factorization.

2125040213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2125040213 is about 46098.1584556260. The cubic root of 2125040213 is about 1285.6489049993.

Adding to 2125040213 its reverse (3120405212), we get a palindrome (5245445425).

The spelling of 2125040213 in words is "two billion, one hundred twenty-five million, forty thousand, two hundred thirteen".