561483612 has 18 divisors (see below), whose sum is σ = 1419305888. Its totient is φ = 187161192.

The previous prime is 561483583. The next prime is 561483617. The reversal of 561483612 is 216384165.

It is a happy number.

561483612 is a `hidden beast` number, since 5 + 614 + 8 + 36 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15596767 = 561483612 / (5 + 6 + 1 + 4 + 8 + 3 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561483617) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7798348 + ... + 7798419.

Almost surely, 2^561483612 is an apocalyptic number.

It is an amenable number.

561483612 is an abundant number, since it is smaller than the sum of its proper divisors (857822276).

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

561483612 is a wasteful number, since it uses less digits than its factorization.

561483612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596777 (or 15596772 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 561483612 is about 23695.6454227354. The cubic root of 561483612 is about 824.9843214651.

The spelling of 561483612 in words is "five hundred sixty-one million, four hundred eighty-three thousand, six hundred twelve".