561049633 has 8 divisors (see below), whose sum is σ = 568721376. Its totient is φ = 553425600.

The previous prime is 561049609. The next prime is 561049663. The reversal of 561049633 is 336940165.

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 561049633 - 2⁹ = 561049121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561049592 and 561049601.

It is not an unprimeable number, because it can be changed into a prime (561049663) 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, 12078 + ... + 35608.

It is an arithmetic number, because the mean of its divisors is an integer number (71090172).

Almost surely, 2^561049633 is an apocalyptic number.

It is an amenable number.

561049633 is a deficient number, since it is larger than the sum of its proper divisors (7671743).

561049633 is a wasteful number, since it uses less digits than its factorization.

561049633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 561049633 is about 23686.4862949320. The cubic root of 561049633 is about 824.7717191475.

Adding to 561049633 its reverse (336940165), we get a palindrome (897989798).

The spelling of 561049633 in words is "five hundred sixty-one million, forty-nine thousand, six hundred thirty-three".