2609005 has 24 divisors (see below), whose sum is σ = 3808512. Its totient is φ = 1707552.

The previous prime is 2608993. The next prime is 2609021. The reversal of 2609005 is 5009062.

It is not a de Polignac number, because 2609005 - 2¹⁷ = 2477933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5404 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (158688).

2^2609005 is an apocalyptic number.

It is an amenable number.

2609005 is a deficient number, since it is larger than the sum of its proper divisors (1199507).

2609005 is a wasteful number, since it uses less digits than its factorization.

2609005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2609005 is about 1615.2414680165. The cubic root of 2609005 is about 137.6654537223.

The spelling of 2609005 in words is "two million, six hundred nine thousand, five".