2605853 has 8 divisors (see below), whose sum is σ = 2743200. Its totient is φ = 2471728.

The previous prime is 2605849. The next prime is 2605871. The reversal of 2605853 is 3585062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2605853 - 2² = 2605849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

2^2605853 is an apocalyptic number.

It is an amenable number.

2605853 is a deficient number, since it is larger than the sum of its proper divisors (137347).

2605853 is a wasteful number, since it uses less digits than its factorization.

2605853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2605853 is about 1614.2654676354. The cubic root of 2605853 is about 137.6099924294.

The spelling of 2605853 in words is "two million, six hundred five thousand, eight hundred fifty-three".