561924905 has 8 divisors (see below), whose sum is σ = 709800000. Its totient is φ = 425879856.

The previous prime is 561924901. The next prime is 561924911. The reversal of 561924905 is 509429165.

561924905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 561924905 - 2² = 561924901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561924901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2957405 + ... + 2957594.

It is an arithmetic number, because the mean of its divisors is an integer number (88725000).

Almost surely, 2^561924905 is an apocalyptic number.

It is an amenable number.

561924905 is a deficient number, since it is larger than the sum of its proper divisors (147875095).

561924905 is a wasteful number, since it uses less digits than its factorization.

561924905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915023.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 561924905 is about 23704.9552836532. The cubic root of 561924905 is about 825.2003945398.

The spelling of 561924905 in words is "five hundred sixty-one million, nine hundred twenty-four thousand, nine hundred five".