16248289 has 4 divisors (see below), whose sum is σ = 16257024. Its totient is φ = 16239556.

The previous prime is 16248257. The next prime is 16248299. The reversal of 16248289 is 98284261.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98284261 = 269 ⋅365369.

It is a cyclic number.

It is not a de Polignac number, because 16248289 - 2⁵ = 16248257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16248299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337 + ... + 5710.

It is an arithmetic number, because the mean of its divisors is an integer number (4064256).

Almost surely, 2^16248289 is an apocalyptic number.

It is an amenable number.

16248289 is a deficient number, since it is larger than the sum of its proper divisors (8735).

16248289 is an equidigital number, since it uses as much as digits as its factorization.

16248289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8734.

The product of its digits is 55296, while the sum is 40.

The square root of 16248289 is about 4030.9166451317. The cubic root of 16248289 is about 253.2809608187.

The spelling of 16248289 in words is "sixteen million, two hundred forty-eight thousand, two hundred eighty-nine".