2645306 has 8 divisors (see below), whose sum is σ = 3976320. Its totient is φ = 1319868.

The previous prime is 2645297. The next prime is 2645311. The reversal of 2645306 is 6035462.

2645306 = 464² + 465² + ... + 475².

2645306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (497040).

2^2645306 is an apocalyptic number.

2645306 is a deficient number, since it is larger than the sum of its proper divisors (1331014).

2645306 is a wasteful number, since it uses less digits than its factorization.

2645306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2645306 is about 1626.4396699540. The cubic root of 2645306 is about 138.3009953280.

The spelling of 2645306 in words is "two million, six hundred forty-five thousand, three hundred six".