248605 has 8 divisors (see below), whose sum is σ = 340992. Its totient is φ = 170448.

The previous prime is 248597. The next prime is 248609. The reversal of 248605 is 506842.

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

It is a cyclic number.

It is not a de Polignac number, because 248605 - 2³ = 248597 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 248605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248609) 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, 3517 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (42624).

2²⁴⁸⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

248605 is a deficient number, since it is larger than the sum of its proper divisors (92387).

248605 is an equidigital number, since it uses as much as digits as its factorization.

248605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 248605 is about 498.6030485266. The cubic root of 248605 is about 62.8786612178.

The spelling of 248605 in words is "two hundred forty-eight thousand, six hundred five".