561000600 has 96 divisors (see below), whose sum is σ = 1932354000. Its totient is φ = 149598720.

The previous prime is 561000599. The next prime is 561000611. The reversal of 561000600 is 6000165.

561000600 is a `hidden beast` number, since 5 + 61 + 0 + 0 + 0 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46545 + ... + 57344.

Almost surely, 2^561000600 is an apocalyptic number.

561000600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561000600 is an abundant number, since it is smaller than the sum of its proper divisors (1371353400).

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

561000600 is a wasteful number, since it uses less digits than its factorization.

561000600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103914 (or 103899 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 561000600 is about 23685.4512306606. The cubic root of 561000600 is about 824.7476914397.

Adding to 561000600 its reverse (6000165), we get a palindrome (567000765).

The spelling of 561000600 in words is "five hundred sixty-one million, six hundred", and thus it is an aban number.