2605312 has 18 divisors (see below), whose sum is σ = 5200958. Its totient is φ = 1302528.

The previous prime is 2605303. The next prime is 2605313. The reversal of 2605312 is 2135062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2359296 + 246016 = 1536^2 + 496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2605312.

It is not an unprimeable number, because it can be changed into a prime (2605313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833 + ... + 5344.

2^2605312 is an apocalyptic number.

It is an amenable number.

2605312 is a deficient number, since it is larger than the sum of its proper divisors (2595646).

2605312 is an equidigital number, since it uses as much as digits as its factorization.

2605312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2605312 is about 1614.0978904639. The cubic root of 2605312 is about 137.6004687202.

The spelling of 2605312 in words is "two million, six hundred five thousand, three hundred twelve".