16297 has 4 divisors (see below), whose sum is σ = 16720.
Its totient is φ = 15876.
The previous prime is 16273. The next prime is 16301. The reversal of 16297 is 79261.
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.
It is a 4-Lehmer number, since φ(16297) divides (16297-1)4.
It is a cyclic number.
It is not a de Polignac number, because 16297 - 211 = 14249 is a prime.
It is a Duffinian number.
16297 is a lucky number.
It is a nialpdrome in base 4 and base 12.
It is not an unprimeable number, because it can be changed into a prime (16217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 232.
It is an arithmetic number, because the mean of its divisors is an integer number (4180).
216297 is an apocalyptic number.
It is an amenable number.
16297 is a deficient number, since it is larger than the sum of its proper divisors (423).
16297 is an equidigital number, since it uses as much as digits as its factorization.
16297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422.
The product of its digits is 756, while the sum is 25.
The square root of 16297 is about 127.6597039006.
The cubic root of 16297 is about 25.3533813296.
It can be divided in two parts, 16 and 297, that added together give a palindrome (313).
The spelling of 16297 in words is "sixteen thousand, two hundred ninety-seven".