248253689 has 2 divisors, whose sum is σ = 248253690. Its totient is φ = 248253688.

The previous prime is 248253667. The next prime is 248253721. The reversal of 248253689 is 986352842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243609664 + 4644025 = 15608^2 + 2155^2 .

It is a cyclic number.

It is not a de Polignac number, because 248253689 - 2⁸ = 248253433 is a prime.

It is not a weakly prime, because it can be changed into another prime (248253619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124126844 + 124126845.

It is an arithmetic number, because the mean of its divisors is an integer number (124126845).

Almost surely, 2^248253689 is an apocalyptic number.

It is an amenable number.

248253689 is a deficient number, since it is larger than the sum of its proper divisors (1).

248253689 is an equidigital number, since it uses as much as digits as its factorization.

248253689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 248253689 is about 15756.0683230303. The cubic root of 248253689 is about 628.4902869655.

The spelling of 248253689 in words is "two hundred forty-eight million, two hundred fifty-three thousand, six hundred eighty-nine".