2605560 has 32 divisors (see below), whose sum is σ = 7817040. Its totient is φ = 694784.

The previous prime is 2605543. The next prime is 2605579. The reversal of 2605560 is 655062.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2605560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10737 + ... + 10976.

2^2605560 is an apocalyptic number.

2605560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605560 is an abundant number, since it is smaller than the sum of its proper divisors (5211480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605560 is a wasteful number, since it uses less digits than its factorization.

2605560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21727 (or 21723 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2605560 is about 1614.1747117335. The cubic root of 2605560 is about 137.6048346508.

The spelling of 2605560 in words is "two million, six hundred five thousand, five hundred sixty".