561000466 has 8 divisors (see below), whose sum is σ = 906231564. Its totient is φ = 258923280.

The previous prime is 561000457. The next prime is 561000467. The reversal of 561000466 is 664000165.

It can be written as a sum of positive squares in 2 ways, for example, as 495730225 + 65270241 = 22265^2 + 8079^2 .

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

It is not an unprimeable number, because it can be changed into a prime (561000467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10788445 + ... + 10788496.

Almost surely, 2^561000466 is an apocalyptic number.

561000466 is a deficient number, since it is larger than the sum of its proper divisors (345231098).

561000466 is a wasteful number, since it uses less digits than its factorization.

561000466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21576956.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 561000466 is about 23685.4484019197. The cubic root of 561000466 is about 824.7476257736.

The spelling of 561000466 in words is "five hundred sixty-one million, four hundred sixty-six", and thus it is an aban number.