2143259 has 2 divisors, whose sum is σ = 2143260. Its totient is φ = 2143258.

The previous prime is 2143243. The next prime is 2143261. The reversal of 2143259 is 9523412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143259 - 2⁴ = 2143243 is a prime.

Together with 2143261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2143279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071629 + 1071630.

It is an arithmetic number, because the mean of its divisors is an integer number (1071630).

2^2143259 is an apocalyptic number.

2143259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143259 is an equidigital number, since it uses as much as digits as its factorization.

2143259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 2143259 is about 1463.9873633334. The cubic root of 2143259 is about 128.9312575676.

The spelling of 2143259 in words is "two million, one hundred forty-three thousand, two hundred fifty-nine".