447054561 has 6 divisors (see below), whose sum is σ = 645745490. Its totient is φ = 298036368.

The previous prime is 447054557. The next prime is 447054571. The reversal of 447054561 is 165450744.

447054561 is a `hidden beast` number, since 4 + 47 + 0 + 54 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 384944400 + 62110161 = 19620^2 + 7881^2 .

It is not a de Polignac number, because 447054561 - 2² = 447054557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447054511) 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 5 ways as a sum of consecutive naturals, for example, 24836356 + ... + 24836373.

Almost surely, 2^447054561 is an apocalyptic number.

It is an amenable number.

447054561 is a deficient number, since it is larger than the sum of its proper divisors (198690929).

447054561 is a wasteful number, since it uses less digits than its factorization.

447054561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49672735 (or 49672732 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 447054561 is about 21143.6647958673. The cubic root of 447054561 is about 764.6338321945.

The spelling of 447054561 in words is "four hundred forty-seven million, fifty-four thousand, five hundred sixty-one".