561322301 has 32 divisors (see below), whose sum is σ = 642048000. Its totient is φ = 488255040.

The previous prime is 561322273. The next prime is 561322309. The reversal of 561322301 is 103223165.

561322301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561322301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561322309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 936800 + ... + 937398.

It is an arithmetic number, because the mean of its divisors is an integer number (20064000).

Almost surely, 2^561322301 is an apocalyptic number.

It is an amenable number.

561322301 is a deficient number, since it is larger than the sum of its proper divisors (80725699).

561322301 is a wasteful number, since it uses less digits than its factorization.

561322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 561322301 is about 23692.2413671649. The cubic root of 561322301 is about 824.9053094872.

Adding to 561322301 its reverse (103223165), we get a palindrome (664545466).

The spelling of 561322301 in words is "five hundred sixty-one million, three hundred twenty-two thousand, three hundred one".