561852268 has 12 divisors (see below), whose sum is σ = 1034991160. Its totient is φ = 266140512.

The previous prime is 561852251. The next prime is 561852271. The reversal of 561852268 is 862258165.

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, 3696321 + ... + 3696472.

Almost surely, 2^561852268 is an apocalyptic number.

It is an amenable number.

561852268 is a deficient number, since it is larger than the sum of its proper divisors (473138892).

561852268 is a wasteful number, since it uses less digits than its factorization.

561852268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392816 (or 7392814 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 561852268 is about 23703.4231283163. The cubic root of 561852268 is about 825.1648366071.

The spelling of 561852268 in words is "five hundred sixty-one million, eight hundred fifty-two thousand, two hundred sixty-eight".