2605617 has 24 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 1461600.

The previous prime is 2605613. The next prime is 2605627. The reversal of 2605617 is 7165062.

It is not a de Polignac number, because 2605617 - 2² = 2605613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2605613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3367 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2605617 is an apocalyptic number.

It is an amenable number.

2605617 is a deficient number, since it is larger than the sum of its proper divisors (1774863).

2605617 is a wasteful number, since it uses less digits than its factorization.

2605617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2605617 is about 1614.1923677183. The cubic root of 2605617 is about 137.6058380714.

The spelling of 2605617 in words is "two million, six hundred five thousand, six hundred seventeen".