16547 has 2 divisors, whose sum is σ = 16548. Its totient is φ = 16546.

The previous prime is 16529. The next prime is 16553. The reversal of 16547 is 74561.

It is a strong prime.

16547 is a truncatable prime.

It is an emirp because it is prime and its reverse (74561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16547 - 2¹² = 12451 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (16567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273 + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (8274).

2¹⁶⁵⁴⁷ is an apocalyptic number.

16547 is a deficient number, since it is larger than the sum of its proper divisors (1).

16547 is an equidigital number, since it uses as much as digits as its factorization.

16547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 16547 is about 128.6351429431. The cubic root of 16547 is about 25.4823663813.

It can be divided in two parts, 1654 and 7, that added together give a palindrome (1661).

The spelling of 16547 in words is "sixteen thousand, five hundred forty-seven".