561587852 has 24 divisors (see below), whose sum is σ = 1133121696. Its totient is φ = 238549248.

The previous prime is 561587833. The next prime is 561587867. The reversal of 561587852 is 258785165.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 561587797 and 561587806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85583 + ... + 91910.

It is an arithmetic number, because the mean of its divisors is an integer number (47213404).

Almost surely, 2^561587852 is an apocalyptic number.

It is an amenable number.

561587852 is an abundant number, since it is smaller than the sum of its proper divisors (571533844).

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

561587852 is a wasteful number, since it uses less digits than its factorization.

561587852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177617 (or 177615 counting only the distinct ones).

The product of its digits is 672000, while the sum is 47.

The square root of 561587852 is about 23697.8448809169. The cubic root of 561587852 is about 825.0353713638.

The spelling of 561587852 in words is "five hundred sixty-one million, five hundred eighty-seven thousand, eight hundred fifty-two".