8624249 has 2 divisors, whose sum is σ = 8624250. Its totient is φ = 8624248.

The previous prime is 8624243. The next prime is 8624251. The reversal of 8624249 is 9424268.

8624249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4380649 + 4243600 = 2093^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 8624249 - 2¹⁶ = 8558713 is a prime.

It is a Sophie Germain prime.

Together with 8624251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8624243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4312124 + 4312125.

It is an arithmetic number, because the mean of its divisors is an integer number (4312125).

Almost surely, 2^8624249 is an apocalyptic number.

It is an amenable number.

8624249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8624249 is an equidigital number, since it uses as much as digits as its factorization.

8624249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 8624249 is about 2936.7071696034. The cubic root of 8624249 is about 205.0723440882.

The spelling of 8624249 in words is "eight million, six hundred twenty-four thousand, two hundred forty-nine".