248317 has 2 divisors, whose sum is σ = 248318. Its totient is φ = 248316.

The previous prime is 248309. The next prime is 248323. The reversal of 248317 is 713842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 37636 = 459^2 + 194^2 .

It is a cyclic number.

It is not a de Polignac number, because 248317 - 2³ = 248309 is a prime.

It is a super-2 number, since 2×248317² = 123322664978, which contains 22 as substring.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 248291 and 248300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248357) 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, 124158 + 124159.

It is an arithmetic number, because the mean of its divisors is an integer number (124159).

2²⁴⁸³¹⁷ is an apocalyptic number.

It is an amenable number.

248317 is a deficient number, since it is larger than the sum of its proper divisors (1).

248317 is an equidigital number, since it uses as much as digits as its factorization.

248317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 248317 is about 498.3141579365. The cubic root of 248317 is about 62.8543709423.

It can be divided in two parts, 2483 and 17, that added together give a square (2500 = 50²).

The spelling of 248317 in words is "two hundred forty-eight thousand, three hundred seventeen".