248985 has 24 divisors (see below), whose sum is σ = 471744. Its totient is φ = 120480.

The previous prime is 248981. The next prime is 248987. The reversal of 248985 is 589842.

It is not a de Polignac number, because 248985 - 2² = 248981 is a prime.

248985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (248981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244 + ... + 746.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2²⁴⁸⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

248985 is a deficient number, since it is larger than the sum of its proper divisors (222759).

248985 is a wasteful number, since it uses less digits than its factorization.

248985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 248985 is about 498.9839676783. The cubic root of 248985 is about 62.9106821981.

It can be divided in two parts, 24 and 8985, that added together give a palindrome (9009).

The spelling of 248985 in words is "two hundred forty-eight thousand, nine hundred eighty-five".