248009 has 8 divisors (see below), whose sum is σ = 266112. Its totient is φ = 230560.

The previous prime is 247999. The next prime is 248021. The reversal of 248009 is 900842.

248009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 248009 - 2⁴ = 247993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2²⁴⁸⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

248009 is a deficient number, since it is larger than the sum of its proper divisors (18103).

248009 is a wasteful number, since it uses less digits than its factorization.

248009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 248009 is about 498.0050200550. The cubic root of 248009 is about 62.8283730501.

The spelling of 248009 in words is "two hundred forty-eight thousand, nine".