2565356 has 12 divisors (see below), whose sum is σ = 4513992. Its totient is φ = 1275648.

The previous prime is 2565349. The next prime is 2565377. The reversal of 2565356 is 6535652.

2565356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 890 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (376166).

2^2565356 is an apocalyptic number.

It is an amenable number.

2565356 is a deficient number, since it is larger than the sum of its proper divisors (1948636).

2565356 is a wasteful number, since it uses less digits than its factorization.

2565356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520 (or 3518 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 2565356 is about 1601.6728754649. The cubic root of 2565356 is about 136.8934116861.

The spelling of 2565356 in words is "two million, five hundred sixty-five thousand, three hundred fifty-six".