2660259 has 12 divisors (see below), whose sum is σ = 4126344. Its totient is φ = 1520064.

The previous prime is 2660237. The next prime is 2660291. The reversal of 2660259 is 9520662.

2660259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2660259 - 2⁷ = 2660131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660219) 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 in 11 ways as a sum of consecutive naturals, for example, 8902 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (343862).

2^2660259 is an apocalyptic number.

2660259 is a deficient number, since it is larger than the sum of its proper divisors (1466085).

2660259 is a wasteful number, since it uses less digits than its factorization.

2660259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114 (or 18107 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2660259 is about 1631.0300426418. The cubic root of 2660259 is about 138.5610950900.

The spelling of 2660259 in words is "two million, six hundred sixty thousand, two hundred fifty-nine".