2605135 has 12 divisors (see below), whose sum is σ = 3386232. Its totient is φ = 1923168.

The previous prime is 2605103. The next prime is 2605139. The reversal of 2605135 is 5315062.

2605135 = T₂₅₀ + T₂₅₁ + ... + T₃₁₄.

It is a happy number.

2605135 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 2605135 - 2⁵ = 2605103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605139) 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, 697 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (282186).

2^2605135 is an apocalyptic number.

2605135 is a deficient number, since it is larger than the sum of its proper divisors (781097).

2605135 is a wasteful number, since it uses less digits than its factorization.

2605135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2605135 is about 1614.0430601443. The cubic root of 2605135 is about 137.5973525439.

The spelling of 2605135 in words is "two million, six hundred five thousand, one hundred thirty-five".