248117 has 2 divisors, whose sum is σ = 248118. Its totient is φ = 248116.

The previous prime is 248099. The next prime is 248119. The reversal of 248117 is 711842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139876 + 108241 = 374^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 248117 - 2¹² = 244021 is a prime.

Together with 248119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 248092 and 248101.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 248117.

It is not a weakly prime, because it can be changed into another prime (248119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124058 + 124059.

It is an arithmetic number, because the mean of its divisors is an integer number (124059).

2²⁴⁸¹¹⁷ is an apocalyptic number.

It is an amenable number.

248117 is a deficient number, since it is larger than the sum of its proper divisors (1).

248117 is an equidigital number, since it uses as much as digits as its factorization.

248117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 23.

The square root of 248117 is about 498.1134408947. The cubic root of 248117 is about 62.8374916433.

Adding to 248117 its reverse (711842), we get a palindrome (959959).

The spelling of 248117 in words is "two hundred forty-eight thousand, one hundred seventeen".