561117 has 8 divisors (see below), whose sum is σ = 751680. Its totient is φ = 372320.

The previous prime is 561109. The next prime is 561161. The reversal of 561117 is 711165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561117 - 2³ = 561109 is a prime.

It is a super-3 number, since 3×561117³ = 530006913333565839, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561093 and 561102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (93960).

2⁵⁶¹¹¹⁷ is an apocalyptic number.

It is an amenable number.

561117 is a deficient number, since it is larger than the sum of its proper divisors (190563).

561117 is a wasteful number, since it uses less digits than its factorization.

561117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883.

The product of its digits is 210, while the sum is 21.

The square root of 561117 is about 749.0774325796. The cubic root of 561117 is about 82.4804728807.

The spelling of 561117 in words is "five hundred sixty-one thousand, one hundred seventeen".