248449 has 4 divisors (see below), whose sum is σ = 252720. Its totient is φ = 244180.

The previous prime is 248447. The next prime is 248461. The reversal of 248449 is 944842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944842 = 2 ⋅472421.

It is a cyclic number.

It is not a de Polignac number, because 248449 - 2¹ = 248447 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 248449.

It is not an unprimeable number, because it can be changed into a prime (248441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

2²⁴⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

248449 is a deficient number, since it is larger than the sum of its proper divisors (4271).

248449 is an equidigital number, since it uses as much as digits as its factorization.

248449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270.

The product of its digits is 9216, while the sum is 31.

The square root of 248449 is about 498.4465869078. The cubic root of 248449 is about 62.8655063153.

The spelling of 248449 in words is "two hundred forty-eight thousand, four hundred forty-nine".