2565748 has 6 divisors (see below), whose sum is σ = 4490066. Its totient is φ = 1282872.

The previous prime is 2565713. The next prime is 2565757. The reversal of 2565748 is 8475652.

It is a happy number.

2565748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 138384 = 1558^2 + 372^2 .

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 as a sum of consecutive naturals, namely, 320715 + ... + 320722.

2^2565748 is an apocalyptic number.

It is an amenable number.

2565748 is a deficient number, since it is larger than the sum of its proper divisors (1924318).

2565748 is a wasteful number, since it uses less digits than its factorization.

2565748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641441 (or 641439 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 2565748 is about 1601.7952428447. The cubic root of 2565748 is about 136.9003840108.

The spelling of 2565748 in words is "two million, five hundred sixty-five thousand, seven hundred forty-eight".