248065 has 4 divisors (see below), whose sum is σ = 297684. Its totient is φ = 198448.

The previous prime is 248063. The next prime is 248071. The reversal of 248065 is 560842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25281 + 222784 = 159^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 248065 - 2¹ = 248063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24802 + ... + 24811.

It is an arithmetic number, because the mean of its divisors is an integer number (74421).

2²⁴⁸⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

248065 is a deficient number, since it is larger than the sum of its proper divisors (49619).

248065 is an equidigital number, since it uses as much as digits as its factorization.

248065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49618.

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

The square root of 248065 is about 498.0612412144. The cubic root of 248065 is about 62.8331015399.

The spelling of 248065 in words is "two hundred forty-eight thousand, sixty-five".