9567 has 6 divisors (see below), whose sum is σ = 13832. Its totient is φ = 6372.

The previous prime is 9551. The next prime is 9587. The reversal of 9567 is 7659.

It is not a de Polignac number, because 9567 - 2⁴ = 9551 is a prime.

It is a Duffinian number.

9567 is a lucky number.

It is a plaindrome in base 13 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 9567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 523 + ... + 540.

2⁹⁵⁶⁷ is an apocalyptic number.

9567 is a deficient number, since it is larger than the sum of its proper divisors (4265).

9567 is a wasteful number, since it uses less digits than its factorization.

9567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 9567 is about 97.8110423214. The cubic root of 9567 is about 21.2287908340.

It can be divided in two parts, 9 and 567, that added together give a square (576 = 24²).

The spelling of 9567 in words is "nine thousand, five hundred sixty-seven".