16244243 has 2 divisors, whose sum is σ = 16244244. Its totient is φ = 16244242.

The previous prime is 16244219. The next prime is 16244269. The reversal of 16244243 is 34244261.

It is an a-pointer prime, because the next prime (16244269) can be obtained adding 16244243 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16244243 - 2¹⁴ = 16227859 is a prime.

It is a Chen prime.

It is equal to p_1045817 and since 16244243 and 1045817 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16244203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122121 + 8122122.

It is an arithmetic number, because the mean of its divisors is an integer number (8122122).

Almost surely, 2^16244243 is an apocalyptic number.

16244243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16244243 is an equidigital number, since it uses as much as digits as its factorization.

16244243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 16244243 is about 4030.4147429266. The cubic root of 16244243 is about 253.2599358390.

The spelling of 16244243 in words is "sixteen million, two hundred forty-four thousand, two hundred forty-three".