561167 has 4 divisors (see below), whose sum is σ = 574896. Its totient is φ = 547440.

The previous prime is 561161. The next prime is 561173. The reversal of 561167 is 761165.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (561161) and next prime (561173).

It is a cyclic number.

It is not a de Polignac number, because 561167 - 2⁶ = 561103 is a prime.

It is a super-3 number, since 3×561167³ = 530148609488533389, which contains 333 as substring.

It is an Ulam 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 (561161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6803 + ... + 6884.

It is an arithmetic number, because the mean of its divisors is an integer number (143724).

2⁵⁶¹¹⁶⁷ is an apocalyptic number.

561167 is a deficient number, since it is larger than the sum of its proper divisors (13729).

561167 is a wasteful number, since it uses less digits than its factorization.

561167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728.

The product of its digits is 1260, while the sum is 26.

The square root of 561167 is about 749.1108062230. The cubic root of 561167 is about 82.4829226973.

The spelling of 561167 in words is "five hundred sixty-one thousand, one hundred sixty-seven".