248768753 has 4 divisors (see below), whose sum is σ = 250143348. Its totient is φ = 247394160.

The previous prime is 248768749. The next prime is 248768783. The reversal of 248768753 is 357867842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357867842 = 2 ⋅178933921.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 245642929 = 1768^2 + 15673^2 .

It is a cyclic number.

It is not a de Polignac number, because 248768753 - 2² = 248768749 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248768783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687026 + ... + 687387.

It is an arithmetic number, because the mean of its divisors is an integer number (62535837).

Almost surely, 2^248768753 is an apocalyptic number.

It is an amenable number.

248768753 is a deficient number, since it is larger than the sum of its proper divisors (1374595).

248768753 is a wasteful number, since it uses less digits than its factorization.

248768753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374594.

The product of its digits is 2257920, while the sum is 50.

The square root of 248768753 is about 15772.4047944503. The cubic root of 248768753 is about 628.9246398325.

The spelling of 248768753 in words is "two hundred forty-eight million, seven hundred sixty-eight thousand, seven hundred fifty-three".