2125865359 has 2 divisors, whose sum is σ = 2125865360. Its totient is φ = 2125865358.

The previous prime is 2125865353. The next prime is 2125865437. The reversal of 2125865359 is 9535685212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125865359 - 2⁵ = 2125865327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125865353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062932679 + 1062932680.

It is an arithmetic number, because the mean of its divisors is an integer number (1062932680).

Almost surely, 2^2125865359 is an apocalyptic number.

2125865359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125865359 is an equidigital number, since it uses as much as digits as its factorization.

2125865359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 46.

The square root of 2125865359 is about 46107.1074672875. The cubic root of 2125865359 is about 1285.8152878543.

The spelling of 2125865359 in words is "two billion, one hundred twenty-five million, eight hundred sixty-five thousand, three hundred fifty-nine".