561343443 has 8 divisors (see below), whose sum is σ = 772601856. Its totient is φ = 362157000.

The previous prime is 561343421. The next prime is 561343477. The reversal of 561343443 is 344343165.

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

It is not a de Polignac number, because 561343443 - 2¹² = 561339347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561343403) 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 7 ways as a sum of consecutive naturals, for example, 3017883 + ... + 3018068.

It is an arithmetic number, because the mean of its divisors is an integer number (96575232).

Almost surely, 2^561343443 is an apocalyptic number.

561343443 is a deficient number, since it is larger than the sum of its proper divisors (211258413).

561343443 is a wasteful number, since it uses less digits than its factorization.

561343443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035985.

The product of its digits is 51840, while the sum is 33.

The square root of 561343443 is about 23692.6875427842. The cubic root of 561343443 is about 824.9156659432.

The spelling of 561343443 in words is "five hundred sixty-one million, three hundred forty-three thousand, four hundred forty-three".