248015 has 4 divisors (see below), whose sum is σ = 297624. Its totient is φ = 198408.

The previous prime is 247999. The next prime is 248021. The reversal of 248015 is 510842.

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

It is a cyclic number.

It is not a de Polignac number, because 248015 - 2⁴ = 247999 is a prime.

It is a super-2 number, since 2×248015² = 123022880450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

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, 24797 + ... + 24806.

It is an arithmetic number, because the mean of its divisors is an integer number (74406).

2²⁴⁸⁰¹⁵ is an apocalyptic number.

248015 is a deficient number, since it is larger than the sum of its proper divisors (49609).

248015 is an equidigital number, since it uses as much as digits as its factorization.

248015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49608.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 248015 is about 498.0110440542. The cubic root of 248015 is about 62.8288797080.

Adding to 248015 its reverse (510842), we get a palindrome (758857).

The spelling of 248015 in words is "two hundred forty-eight thousand, fifteen".