248741543 has 2 divisors, whose sum is σ = 248741544. Its totient is φ = 248741542.

The previous prime is 248741477. The next prime is 248741557. The reversal of 248741543 is 345147842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248741543 - 2⁸ = 248741287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248741497 and 248741506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248741593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124370771 + 124370772.

It is an arithmetic number, because the mean of its divisors is an integer number (124370772).

Almost surely, 2^248741543 is an apocalyptic number.

248741543 is a deficient number, since it is larger than the sum of its proper divisors (1).

248741543 is an equidigital number, since it uses as much as digits as its factorization.

248741543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 248741543 is about 15771.5421883847. The cubic root of 248741543 is about 628.9017086789.

The spelling of 248741543 in words is "two hundred forty-eight million, seven hundred forty-one thousand, five hundred forty-three".