561923467 has 8 divisors (see below), whose sum is σ = 642617600. Its totient is φ = 481334184.

The previous prime is 561923407. The next prime is 561923473. The reversal of 561923467 is 764329165.

561923467 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 a de Polignac number, because none of the positive numbers 2^k-561923467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561923407) 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, 14367 + ... + 36472.

It is an arithmetic number, because the mean of its divisors is an integer number (80327200).

Almost surely, 2^561923467 is an apocalyptic number.

561923467 is a deficient number, since it is larger than the sum of its proper divisors (80694133).

561923467 is a wasteful number, since it uses less digits than its factorization.

561923467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52425.

The product of its digits is 272160, while the sum is 43.

The square root of 561923467 is about 23704.9249524229. The cubic root of 561923467 is about 825.1996906265.

The spelling of 561923467 in words is "five hundred sixty-one million, nine hundred twenty-three thousand, four hundred sixty-seven".