2143515259 has 2 divisors, whose sum is σ = 2143515260. Its totient is φ = 2143515258.

The previous prime is 2143515233. The next prime is 2143515281. The reversal of 2143515259 is 9525153412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143515259 - 2⁷ = 2143515131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143525259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071757629 + 1071757630.

It is an arithmetic number, because the mean of its divisors is an integer number (1071757630).

Almost surely, 2^2143515259 is an apocalyptic number.

2143515259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143515259 is an equidigital number, since it uses as much as digits as its factorization.

2143515259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 37.

The square root of 2143515259 is about 46298.1129097072. The cubic root of 2143515259 is about 1289.3639592286.

The spelling of 2143515259 in words is "two billion, one hundred forty-three million, five hundred fifteen thousand, two hundred fifty-nine".