2101305259 has 2 divisors, whose sum is σ = 2101305260. Its totient is φ = 2101305258.

The previous prime is 2101305253. The next prime is 2101305293. The reversal of 2101305259 is 9525031012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101305259 - 2³ = 2101305251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101305251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050652629 + 1050652630.

It is an arithmetic number, because the mean of its divisors is an integer number (1050652630).

Almost surely, 2^2101305259 is an apocalyptic number.

2101305259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101305259 is an equidigital number, since it uses as much as digits as its factorization.

2101305259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2101305259 is about 45839.9962805409. The cubic root of 2101305259 is about 1280.8444255104.

The spelling of 2101305259 in words is "two billion, one hundred one million, three hundred five thousand, two hundred fifty-nine".