561333441 has 8 divisors (see below), whose sum is σ = 762566400. Its totient is φ = 367161392.

The previous prime is 561333433. The next prime is 561333467. The reversal of 561333441 is 144333165.

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

It is a cyclic number.

It is not a de Polignac number, because 561333441 - 2³ = 561333433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561333399 and 561333408.

It is not an unprimeable number, because it can be changed into a prime (561333491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765041 + ... + 1765358.

It is an arithmetic number, because the mean of its divisors is an integer number (95320800).

Almost surely, 2^561333441 is an apocalyptic number.

It is an amenable number.

561333441 is a deficient number, since it is larger than the sum of its proper divisors (201232959).

561333441 is a wasteful number, since it uses less digits than its factorization.

561333441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530455.

The product of its digits is 12960, while the sum is 30.

The square root of 561333441 is about 23692.4764640592. The cubic root of 561333441 is about 824.9107664736.

The spelling of 561333441 in words is "five hundred sixty-one million, three hundred thirty-three thousand, four hundred forty-one".