561230 has 8 divisors (see below), whose sum is σ = 1010232. Its totient is φ = 224488.

The previous prime is 561229. The next prime is 561251. The reversal of 561230 is 32165.

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

It is a super-2 number, since 2×561230² = 629958225800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 561199 and 561208.

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 561230.

It is an unprimeable number.

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, 28052 + ... + 28071.

It is an arithmetic number, because the mean of its divisors is an integer number (126279).

2⁵⁶¹²³⁰ is an apocalyptic number.

561230 is a deficient number, since it is larger than the sum of its proper divisors (449002).

561230 is a wasteful number, since it uses less digits than its factorization.

561230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56130.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 561230 is about 749.1528548968. The cubic root of 561230 is about 82.4860092590.

Adding to 561230 its reverse (32165), we get a palindrome (593395).

The spelling of 561230 in words is "five hundred sixty-one thousand, two hundred thirty".