561113 has 8 divisors (see below), whose sum is σ = 650880. Its totient is φ = 473760.

The previous prime is 561109. The next prime is 561161. The reversal of 561113 is 311165.

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

It is not a de Polignac number, because 561113 - 2² = 561109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 561091 and 561100.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 561113.

It is not an unprimeable number, because it can be changed into a prime (561103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (81360).

2⁵⁶¹¹¹³ is an apocalyptic number.

It is an amenable number.

561113 is a deficient number, since it is larger than the sum of its proper divisors (89767).

561113 is a wasteful number, since it uses less digits than its factorization.

561113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its digits is 90, while the sum is 17.

The square root of 561113 is about 749.0747626239. The cubic root of 561113 is about 82.4802768891.

Adding to 561113 its reverse (311165), we get a palindrome (872278).

The spelling of 561113 in words is "five hundred sixty-one thousand, one hundred thirteen".