16517089 has 2 divisors, whose sum is σ = 16517090. Its totient is φ = 16517088.

The previous prime is 16517087. The next prime is 16517101. The reversal of 16517089 is 98071561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 33489 = 4060^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 16517089 - 2¹ = 16517087 is a prime.

Together with 16517087, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16517087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8258544 + 8258545.

It is an arithmetic number, because the mean of its divisors is an integer number (8258545).

Almost surely, 2^16517089 is an apocalyptic number.

It is an amenable number.

16517089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16517089 is an equidigital number, since it uses as much as digits as its factorization.

16517089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 16517089 is about 4064.1221684393. The cubic root of 16517089 is about 254.6700281514.

The spelling of 16517089 in words is "sixteen million, five hundred seventeen thousand, eighty-nine".