248217 has 16 divisors (see below), whose sum is σ = 364032. Its totient is φ = 149760.

The previous prime is 248203. The next prime is 248231. The reversal of 248217 is 712842.

It is an interprime number because it is at equal distance from previous prime (248203) and next prime (248231).

It is not a de Polignac number, because 248217 - 2⁴ = 248201 is a prime.

It is a super-2 number, since 2×248217² = 123223358178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (22752).

2²⁴⁸²¹⁷ is an apocalyptic number.

It is an amenable number.

248217 is a deficient number, since it is larger than the sum of its proper divisors (115815).

248217 is a wasteful number, since it uses less digits than its factorization.

248217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 896, while the sum is 24.

The square root of 248217 is about 498.2138095236. The cubic root of 248217 is about 62.8459324262.

It can be divided in two parts, 248 and 217, that added together give a triangular number (465 = T₃₀).

The spelling of 248217 in words is "two hundred forty-eight thousand, two hundred seventeen".