248621056 has 96 divisors (see below), whose sum is σ = 543390120. Its totient is φ = 113246208.

The previous prime is 248621033. The next prime is 248621059. The reversal of 248621056 is 650126842.

It can be written as a sum of positive squares in 4 ways, for example, as 242861056 + 5760000 = 15584^2 + 2400^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (248621059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288096 + ... + 1288288.

Almost surely, 2^248621056 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 248621056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271695060).

248621056 is an abundant number, since it is smaller than the sum of its proper divisors (294769064).

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

248621056 is a wasteful number, since it uses less digits than its factorization.

248621056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 248621056 is about 15767.7219660926. The cubic root of 248621056 is about 628.8001484848.

Adding to 248621056 its reverse (650126842), we get a palindrome (898747898).

The spelling of 248621056 in words is "two hundred forty-eight million, six hundred twenty-one thousand, fifty-six".