561614 has 16 divisors (see below), whose sum is σ = 911520. Its totient is φ = 258720.

The previous prime is 561607. The next prime is 561667. The reversal of 561614 is 416165.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 561614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (56970).

2⁵⁶¹⁶¹⁴ is an apocalyptic number.

561614 is a deficient number, since it is larger than the sum of its proper divisors (349906).

561614 is a wasteful number, since it uses less digits than its factorization.

561614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 720, while the sum is 23.

The square root of 561614 is about 749.4091005586. The cubic root of 561614 is about 82.5048175944.

Adding to 561614 its reverse (416165), we get a palindrome (977779).

It can be divided in two parts, 56161 and 4, that added together give a palindrome (56165).

The spelling of 561614 in words is "five hundred sixty-one thousand, six hundred fourteen".