248248769 has 2 divisors, whose sum is σ = 248248770. Its totient is φ = 248248768.

The previous prime is 248248747. The next prime is 248248771. The reversal of 248248769 is 967842842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236790544 + 11458225 = 15388^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 248248769 - 2¹⁶ = 248183233 is a prime.

It is a super-2 number, since 2×248248769² = 123254902620030722, which contains 22 as substring.

Together with 248248771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248248669) 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 as a sum of consecutive naturals, namely, 124124384 + 124124385.

It is an arithmetic number, because the mean of its divisors is an integer number (124124385).

Almost surely, 2^248248769 is an apocalyptic number.

It is an amenable number.

248248769 is a deficient number, since it is larger than the sum of its proper divisors (1).

248248769 is an equidigital number, since it uses as much as digits as its factorization.

248248769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 50.

The square root of 248248769 is about 15755.9121919361. The cubic root of 248248769 is about 628.4861350397.

The spelling of 248248769 in words is "two hundred forty-eight million, two hundred forty-eight thousand, seven hundred sixty-nine".