2605264 has 10 divisors (see below), whose sum is σ = 5047730. Its totient is φ = 1302624.

The previous prime is 2605259. The next prime is 2605289. The reversal of 2605264 is 4625062.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 19600 = 1608^2 + 140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81399 + ... + 81430.

It is an arithmetic number, because the mean of its divisors is an integer number (504773).

2^2605264 is an apocalyptic number.

It is an amenable number.

2605264 is a deficient number, since it is larger than the sum of its proper divisors (2442466).

2605264 is a wasteful number, since it uses less digits than its factorization.

2605264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162837 (or 162831 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2605264 is about 1614.0830214088. The cubic root of 2605264 is about 137.5996236694.

The spelling of 2605264 in words is "two million, six hundred five thousand, two hundred sixty-four".