16528243 has 2 divisors, whose sum is σ = 16528244. Its totient is φ = 16528242.

The previous prime is 16528229. The next prime is 16528277. The reversal of 16528243 is 34282561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16528243 is a prime.

It is not a weakly prime, because it can be changed into another prime (16528543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264121 + 8264122.

It is an arithmetic number, because the mean of its divisors is an integer number (8264122).

Almost surely, 2^16528243 is an apocalyptic number.

16528243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16528243 is an equidigital number, since it uses as much as digits as its factorization.

16528243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 16528243 is about 4065.4941889025. The cubic root of 16528243 is about 254.7273415258.

The spelling of 16528243 in words is "sixteen million, five hundred twenty-eight thousand, two hundred forty-three".