2567 has 4 divisors (see below), whose sum is σ = 2736.
Its totient is φ = 2400.
The previous prime is 2557. The next prime is 2579. The reversal of 2567 is 7652.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2567 - 24 = 2551 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a plaindrome in base 10, base 12 and base 13.
It is a nialpdrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2557) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 92.
It is an arithmetic number, because the mean of its divisors is an integer number (684).
2567 is a deficient number, since it is larger than the sum of its proper divisors (169).
2567 is a wasteful number, since it uses less digits than its factorization.
2567 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 168.
The product of its digits is 420, while the sum is 20.
The square root of 2567 is about 50.6655701636.
The cubic root of 2567 is about 13.6922648007.
The spelling of 2567 in words is "two thousand, five hundred sixty-seven".