2605259 has 2 divisors, whose sum is σ = 2605260. Its totient is φ = 2605258.

The previous prime is 2605243. The next prime is 2605289. The reversal of 2605259 is 9525062.

2605259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2605259 - 2⁴ = 2605243 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2605289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302629 + 1302630.

It is an arithmetic number, because the mean of its divisors is an integer number (1302630).

2^2605259 is an apocalyptic number.

2605259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605259 is an equidigital number, since it uses as much as digits as its factorization.

2605259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2605259 is about 1614.0814725410. The cubic root of 2605259 is about 137.5995356427.

The spelling of 2605259 in words is "two million, six hundred five thousand, two hundred fifty-nine".