4381249 has 2 divisors, whose sum is σ = 4381250. Its totient is φ = 4381248.

The previous prime is 4381187. The next prime is 4381253. The reversal of 4381249 is 9421834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3214849 + 1166400 = 1793^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381249 - 2⁹ = 4380737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4381249.

It is not a weakly prime, because it can be changed into another prime (4381049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190624 + 2190625.

It is an arithmetic number, because the mean of its divisors is an integer number (2190625).

Almost surely, 2^4381249 is an apocalyptic number.

It is an amenable number.

4381249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381249 is an equidigital number, since it uses as much as digits as its factorization.

4381249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 4381249 is about 2093.1433300183. The cubic root of 4381249 is about 163.6311485338.

The spelling of 4381249 in words is "four million, three hundred eighty-one thousand, two hundred forty-nine".