2606155 has 4 divisors (see below), whose sum is σ = 3127392. Its totient is φ = 2084920.

The previous prime is 2606129. The next prime is 2606161. The reversal of 2606155 is 5516062.

2606155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2606155 - 2¹³ = 2597963 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 3 ways as a sum of consecutive naturals, for example, 260611 + ... + 260620.

It is an arithmetic number, because the mean of its divisors is an integer number (781848).

2^2606155 is an apocalyptic number.

2606155 is a deficient number, since it is larger than the sum of its proper divisors (521237).

2606155 is an equidigital number, since it uses as much as digits as its factorization.

2606155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521236.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2606155 is about 1614.3590059215. The cubic root of 2606155 is about 137.6153082335.

The spelling of 2606155 in words is "two million, six hundred six thousand, one hundred fifty-five".