561300032 has 14 divisors (see below), whose sum is σ = 1113829878. Its totient is φ = 280649984.

The previous prime is 561300031. The next prime is 561300037. The reversal of 561300032 is 230003165.

It can be written as a sum of positive squares in only one way, i.e., 456933376 + 104366656 = 21376^2 + 10216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 561299977 and 561300013.

It is not an unprimeable number, because it can be changed into a prime (561300031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4385093 + ... + 4385220.

It is an arithmetic number, because the mean of its divisors is an integer number (79559277).

Almost surely, 2^561300032 is an apocalyptic number.

It is an amenable number.

561300032 is a deficient number, since it is larger than the sum of its proper divisors (552529846).

561300032 is an equidigital number, since it uses as much as digits as its factorization.

561300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770325 (or 8770315 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 561300032 is about 23691.7713985257. The cubic root of 561300032 is about 824.8944006866.

Adding to 561300032 its reverse (230003165), we get a palindrome (791303197).

The spelling of 561300032 in words is "five hundred sixty-one million, three hundred thousand, thirty-two".