248783753 has 2 divisors, whose sum is σ = 248783754. Its totient is φ = 248783752.

The previous prime is 248783713. The next prime is 248783771. The reversal of 248783753 is 357387842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194658304 + 54125449 = 13952^2 + 7357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248783753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248783698 and 248783707.

It is not a weakly prime, because it can be changed into another prime (248783713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124391876 + 124391877.

It is an arithmetic number, because the mean of its divisors is an integer number (124391877).

Almost surely, 2^248783753 is an apocalyptic number.

It is an amenable number.

248783753 is a deficient number, since it is larger than the sum of its proper divisors (1).

248783753 is an equidigital number, since it uses as much as digits as its factorization.

248783753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 47.

The square root of 248783753 is about 15772.8803013273. The cubic root of 248783753 is about 628.9372803267.

The spelling of 248783753 in words is "two hundred forty-eight million, seven hundred eighty-three thousand, seven hundred fifty-three".