248249 has 4 divisors (see below), whose sum is σ = 249936. Its totient is φ = 246564.

The previous prime is 248243. The next prime is 248257. The reversal of 248249 is 942842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248249 - 2⁸ = 247993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (62484).

2²⁴⁸²⁴⁹ is an apocalyptic number.

It is an amenable number.

248249 is a deficient number, since it is larger than the sum of its proper divisors (1687).

248249 is a wasteful number, since it uses less digits than its factorization.

248249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its digits is 4608, while the sum is 29.

The square root of 248249 is about 498.2459232146. The cubic root of 248249 is about 62.8486329979.

The spelling of 248249 in words is "two hundred forty-eight thousand, two hundred forty-nine".