561342982 has 8 divisors (see below), whose sum is σ = 842258736. Its totient is φ = 280590072.

The previous prime is 561342919. The next prime is 561342989. The reversal of 561342982 is 289243165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561342989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31693 + ... + 46120.

It is an arithmetic number, because the mean of its divisors is an integer number (105282342).

Almost surely, 2^561342982 is an apocalyptic number.

561342982 is a deficient number, since it is larger than the sum of its proper divisors (280915754).

561342982 is a wasteful number, since it uses less digits than its factorization.

561342982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81422.

The product of its digits is 103680, while the sum is 40.

The square root of 561342982 is about 23692.6778140420. The cubic root of 561342982 is about 824.9154401241.

The spelling of 561342982 in words is "five hundred sixty-one million, three hundred forty-two thousand, nine hundred eighty-two".