2563748 has 18 divisors (see below), whose sum is σ = 4932438. Its totient is φ = 1165120.

The previous prime is 2563747. The next prime is 2563751. The reversal of 2563748 is 8473652.

It is a happy number.

2563748 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., 2439844 + 123904 = 1562^2 + 352^2 .

It is not an unprimeable number, because it can be changed into a prime (2563747) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2165 + ... + 3132.

2^2563748 is an apocalyptic number.

It is an amenable number.

2563748 is a deficient number, since it is larger than the sum of its proper divisors (2368690).

2563748 is a wasteful number, since it uses less digits than its factorization.

2563748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323 (or 5310 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2563748 is about 1601.1708216177. The cubic root of 2563748 is about 136.8648034911.

It can be divided in two parts, 256 and 3748, that added together give a palindrome (4004).

The spelling of 2563748 in words is "two million, five hundred sixty-three thousand, seven hundred forty-eight".