561752286 has 8 divisors (see below), whose sum is σ = 1123504584. Its totient is φ = 187250760.

The previous prime is 561752273. The next prime is 561752291. The reversal of 561752286 is 682257165.

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

561752286 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46812685 + ... + 46812696.

It is an arithmetic number, because the mean of its divisors is an integer number (140438073).

Almost surely, 2^561752286 is an apocalyptic number.

561752286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561752286 is a wasteful number, since it uses less digits than its factorization.

561752286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93625386.

The product of its digits is 201600, while the sum is 42.

The square root of 561752286 is about 23701.3140142060. The cubic root of 561752286 is about 825.1158874855.

The spelling of 561752286 in words is "five hundred sixty-one million, seven hundred fifty-two thousand, two hundred eighty-six".