561342929 has 8 divisors (see below), whose sum is σ = 642691008. Its totient is φ = 480283920.

The previous prime is 561342919. The next prime is 561342989. The reversal of 561342929 is 929243165.

561342929 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 561342929 - 2⁴ = 561342913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561342919) 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, 68087 + ... + 75884.

It is an arithmetic number, because the mean of its divisors is an integer number (80336376).

Almost surely, 2^561342929 is an apocalyptic number.

It is an amenable number.

561342929 is a deficient number, since it is larger than the sum of its proper divisors (81348079).

561342929 is a wasteful number, since it uses less digits than its factorization.

561342929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144535.

The product of its digits is 116640, while the sum is 41.

The square root of 561342929 is about 23692.6766955530. The cubic root of 561342929 is about 824.9154141623.

The spelling of 561342929 in words is "five hundred sixty-one million, three hundred forty-two thousand, nine hundred twenty-nine".