4445249 has 4 divisors (see below), whose sum is σ = 4511664. Its totient is φ = 4378836.

The previous prime is 4445227. The next prime is 4445257. The reversal of 4445249 is 9425444.

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 a de Polignac number, because none of the positive numbers 2^k-4445249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445849) 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, 33107 + ... + 33240.

It is an arithmetic number, because the mean of its divisors is an integer number (1127916).

Almost surely, 2^4445249 is an apocalyptic number.

It is an amenable number.

4445249 is a deficient number, since it is larger than the sum of its proper divisors (66415).

4445249 is an equidigital number, since it uses as much as digits as its factorization.

4445249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66414.

The product of its digits is 23040, while the sum is 32.

The square root of 4445249 is about 2108.3759152485. The cubic root of 4445249 is about 164.4240587132.

The spelling of 4445249 in words is "four million, four hundred forty-five thousand, two hundred forty-nine".