561012600 has 48 divisors (see below), whose sum is σ = 1739140920. Its totient is φ = 149603200.

The previous prime is 561012583. The next prime is 561012607. The reversal of 561012600 is 6210165.

It is a happy number.

561012600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561012607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466911 + ... + 468110.

Almost surely, 2^561012600 is an apocalyptic number.

561012600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561012600 is an abundant number, since it is smaller than the sum of its proper divisors (1178128320).

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

561012600 is a wasteful number, since it uses less digits than its factorization.

561012600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935040 (or 935031 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 561012600 is about 23685.7045493690. The cubic root of 561012600 is about 824.7535719455.

Adding to 561012600 its reverse (6210165), we get a palindrome (567222765).

The spelling of 561012600 in words is "five hundred sixty-one million, twelve thousand, six hundred".