2565662 has 16 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 1156440.

The previous prime is 2565649. The next prime is 2565671. The reversal of 2565662 is 2665652.

2565662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁶ + 5⁴ + 6² + 5⁶ + 6⁷ + 6⁸ + 2¹⁹ .

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 7 ways as a sum of consecutive naturals, for example, 2639 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^2565662 is an apocalyptic number.

2565662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2565662 is a deficient number, since it is larger than the sum of its proper divisors (1667938).

2565662 is a wasteful number, since it uses less digits than its factorization.

2565662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 21600, while the sum is 32.

The square root of 2565662 is about 1601.7683977404. The cubic root of 2565662 is about 136.8988544289.

The spelling of 2565662 in words is "two million, five hundred sixty-five thousand, six hundred sixty-two".