248287 has 8 divisors (see below), whose sum is σ = 272160. Its totient is φ = 225120.

The previous prime is 248267. The next prime is 248291. The reversal of 248287 is 782842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2²⁴⁸²⁸⁷ is an apocalyptic number.

248287 is a deficient number, since it is larger than the sum of its proper divisors (23873).

248287 is a wasteful number, since it uses less digits than its factorization.

248287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its digits is 7168, while the sum is 31.

The square root of 248287 is about 498.2840555346. The cubic root of 248287 is about 62.8518396254.

It can be divided in two parts, 248 and 287, that added together give a palindrome (535).

The spelling of 248287 in words is "two hundred forty-eight thousand, two hundred eighty-seven".