17149 has 4 divisors (see below), whose sum is σ = 18720. Its totient is φ = 15580.
The previous prime is 17137. The next prime is 17159. The reversal of 17149 is 94171.
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 cyclic number.
It is not a de Polignac number, because 17149 - 25 = 17117 is a prime.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17159) 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, 769 + ... + 790.
It is an arithmetic number, because the mean of its divisors is an integer number (4680).
217149 is an apocalyptic number.
It is an amenable number.
17149 is a deficient number, since it is larger than the sum of its proper divisors (1571).
17149 is a wasteful number, since it uses less digits than its factorization.
17149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1570.
The product of its digits is 252, while the sum is 22.
The square root of 17149 is about 130.9541904637. The cubic root of 17149 is about 25.7877192520.
Adding to 17149 its sum of digits (22), we get a palindrome (17171).
The spelling of 17149 in words is "seventeen thousand, one hundred forty-nine".
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