2443249 has 4 divisors (see below), whose sum is σ = 2484720. Its totient is φ = 2401780.

The previous prime is 2443241. The next prime is 2443277. The reversal of 2443249 is 9423442.

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.

It is a cyclic number.

It is not a de Polignac number, because 2443249 - 2³ = 2443241 is a prime.

It is an Ulam number.

It is a Duffinian number.

2443249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2443241) 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, 20647 + ... + 20764.

It is an arithmetic number, because the mean of its divisors is an integer number (621180).

2^2443249 is an apocalyptic number.

It is an amenable number.

2443249 is a deficient number, since it is larger than the sum of its proper divisors (41471).

2443249 is an equidigital number, since it uses as much as digits as its factorization.

2443249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41470.

The product of its digits is 6912, while the sum is 28.

The square root of 2443249 is about 1563.0895687708. The cubic root of 2443249 is about 134.6860376616.

The spelling of 2443249 in words is "two million, four hundred forty-three thousand, two hundred forty-nine".