2605323 has 16 divisors (see below), whose sum is σ = 4014080. Its totient is φ = 1472256.

The previous prime is 2605319. The next prime is 2605349. The reversal of 2605323 is 3235062.

It is not a de Polignac number, because 2605323 - 2² = 2605319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2605323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398 + ... + 2676.

It is an arithmetic number, because the mean of its divisors is an integer number (250880).

2^2605323 is an apocalyptic number.

2605323 is a deficient number, since it is larger than the sum of its proper divisors (1408757).

2605323 is a wasteful number, since it uses less digits than its factorization.

2605323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2605323 is about 1614.1012979364. The cubic root of 2605323 is about 137.6006623763.

The spelling of 2605323 in words is "two million, six hundred five thousand, three hundred twenty-three".