2457568 has 24 divisors (see below), whose sum is σ = 4921560. Its totient is φ = 1207680.

The previous prime is 2457563. The next prime is 2457569. The reversal of 2457568 is 8657542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^2457568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2457568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460780).

2457568 is an abundant number, since it is smaller than the sum of its proper divisors (2463992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2457568 is a wasteful number, since it uses less digits than its factorization.

2457568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1322 counting only the distinct ones).

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

The square root of 2457568 is about 1567.6632291407. The cubic root of 2457568 is about 134.9486407286.

It can be divided in two parts, 2457 and 568, that added together give a square (3025 = 55²).

The spelling of 2457568 in words is "two million, four hundred fifty-seven thousand, five hundred sixty-eight".