2125304243 has 2 divisors, whose sum is σ = 2125304244. Its totient is φ = 2125304242.

The previous prime is 2125304201. The next prime is 2125304281. The reversal of 2125304243 is 3424035212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125304243 - 2⁸ = 2125303987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125204243) 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, 1062652121 + 1062652122.

It is an arithmetic number, because the mean of its divisors is an integer number (1062652122).

Almost surely, 2^2125304243 is an apocalyptic number.

2125304243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125304243 is an equidigital number, since it uses as much as digits as its factorization.

2125304243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2125304243 is about 46101.0221470197. The cubic root of 2125304243 is about 1285.7021488266.

Adding to 2125304243 its reverse (3424035212), we get a palindrome (5549339455).

The spelling of 2125304243 in words is "two billion, one hundred twenty-five million, three hundred four thousand, two hundred forty-three".