441072561 has 8 divisors (see below), whose sum is σ = 593301600. Its totient is φ = 291445952.

The previous prime is 441072539. The next prime is 441072601. The reversal of 441072561 is 165270144.

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 441072561 - 2⁵ = 441072529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441072461) 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, 650211 + ... + 650888.

It is an arithmetic number, because the mean of its divisors is an integer number (74162700).

Almost surely, 2^441072561 is an apocalyptic number.

It is an amenable number.

441072561 is a deficient number, since it is larger than the sum of its proper divisors (152229039).

441072561 is a wasteful number, since it uses less digits than its factorization.

441072561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301215.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 441072561 is about 21001.7275717975. The cubic root of 441072561 is about 761.2080055889.

The spelling of 441072561 in words is "four hundred forty-one million, seventy-two thousand, five hundred sixty-one".