2566135 has 32 divisors (see below), whose sum is σ = 3753792. Its totient is φ = 1658880.

The previous prime is 2566129. The next prime is 2566139. The reversal of 2566135 is 5316652.

2566135 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 2566135 - 2³ = 2566127 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 (2566139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26407 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (117306).

2^2566135 is an apocalyptic number.

2566135 is a deficient number, since it is larger than the sum of its proper divisors (1187657).

2566135 is a wasteful number, since it uses less digits than its factorization.

2566135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163.

The product of its digits is 5400, while the sum is 28.

The square root of 2566135 is about 1601.9160402468. The cubic root of 2566135 is about 136.9072667061.

It can be divided in two parts, 2566 and 135, that added together give a triangular number (2701 = T₇₃).

The spelling of 2566135 in words is "two million, five hundred sixty-six thousand, one hundred thirty-five".