2606305 has 16 divisors (see below), whose sum is σ = 3410064. Its totient is φ = 1900800.

The previous prime is 2606297. The next prime is 2606311. The reversal of 2606305 is 5036062.

2606305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 33489 + 2572816 = 183^2 + 1604^2 .

It is not a de Polignac number, because 2606305 - 2³ = 2606297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6367 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (213129).

2^2606305 is an apocalyptic number.

It is an amenable number.

2606305 is a deficient number, since it is larger than the sum of its proper divisors (803759).

2606305 is a wasteful number, since it uses less digits than its factorization.

2606305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2606305 is about 1614.4054633208. The cubic root of 2606305 is about 137.6179483810.

The spelling of 2606305 in words is "two million, six hundred six thousand, three hundred five".