561504346 has 8 divisors (see below), whose sum is σ = 907045524. Its totient is φ = 259155840.

The previous prime is 561504337. The next prime is 561504353. The reversal of 561504346 is 643405165.

561504346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 555309225 + 6195121 = 23565^2 + 2489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10798135 + ... + 10798186.

Almost surely, 2^561504346 is an apocalyptic number.

561504346 is a deficient number, since it is larger than the sum of its proper divisors (345541178).

561504346 is a wasteful number, since it uses less digits than its factorization.

561504346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21596336.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 561504346 is about 23696.0829252432. The cubic root of 561504346 is about 824.9944761185.

The spelling of 561504346 in words is "five hundred sixty-one million, five hundred four thousand, three hundred forty-six".