248505 has 8 divisors (see below), whose sum is σ = 397632. Its totient is φ = 132528.

The previous prime is 248483. The next prime is 248509. The reversal of 248505 is 505842.

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

It is not a de Polignac number, because 248505 - 2⁵ = 248473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248509) 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 7 ways as a sum of consecutive naturals, for example, 8269 + ... + 8298.

It is an arithmetic number, because the mean of its divisors is an integer number (49704).

2²⁴⁸⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

248505 is a deficient number, since it is larger than the sum of its proper divisors (149127).

248505 is a wasteful number, since it uses less digits than its factorization.

248505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 248505 is about 498.5027582672. The cubic root of 248505 is about 62.8702292214.

The spelling of 248505 in words is "two hundred forty-eight thousand, five hundred five".