248543 has 2 divisors, whose sum is σ = 248544. Its totient is φ = 248542.

The previous prime is 248537. The next prime is 248569. The reversal of 248543 is 345842.

248543 is nontrivially palindromic in base 12.

It is an a-pointer prime, because the next prime (248569) can be obtained adding 248543 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248543 - 2¹⁰ = 247519 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248533) 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, 124271 + 124272.

It is an arithmetic number, because the mean of its divisors is an integer number (124272).

2²⁴⁸⁵⁴³ is an apocalyptic number.

248543 is a deficient number, since it is larger than the sum of its proper divisors (1).

248543 is an equidigital number, since it uses as much as digits as its factorization.

248543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 248543 is about 498.5408709424. The cubic root of 248543 is about 62.8734336465.

The spelling of 248543 in words is "two hundred forty-eight thousand, five hundred forty-three".