2548257856 has 14 divisors (see below), whose sum is σ = 5056699310. Its totient is φ = 1274128896.

The previous prime is 2548257853. The next prime is 2548257893. The reversal of 2548257856 is 6587528452.

It can be written as a sum of positive squares in only one way, i.e., 2544193600 + 4064256 = 50440^2 + 2016^2 .

It is not an unprimeable number, because it can be changed into a prime (2548257851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19908201 + ... + 19908328.

Almost surely, 2^2548257856 is an apocalyptic number.

It is an amenable number.

2548257856 is a deficient number, since it is larger than the sum of its proper divisors (2508441454).

2548257856 is an equidigital number, since it uses as much as digits as its factorization.

2548257856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39816541 (or 39816531 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 52.

The square root of 2548257856 is about 50480.2719485543. The cubic root of 2548257856 is about 1365.8860113805.

It can be divided in two parts, 25482 and 57856, that added together give a palindrome (83338).

The spelling of 2548257856 in words is "two billion, five hundred forty-eight million, two hundred fifty-seven thousand, eight hundred fifty-six".