447481497 has 32 divisors (see below), whose sum is σ = 654704640. Its totient is φ = 270639360.

The previous prime is 447481493. The next prime is 447481499. The reversal of 447481497 is 794184744.

It is not a de Polignac number, because 447481497 - 2² = 447481493 is a prime.

It is a super-2 number, since 2×447481497² = 400479380314722018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (447481493) 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 31 ways as a sum of consecutive naturals, for example, 605154 + ... + 605892.

It is an arithmetic number, because the mean of its divisors is an integer number (20459520).

Almost surely, 2^447481497 is an apocalyptic number.

It is an amenable number.

447481497 is a deficient number, since it is larger than the sum of its proper divisors (207223143).

447481497 is a wasteful number, since it uses less digits than its factorization.

447481497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 903168, while the sum is 48.

The square root of 447481497 is about 21153.7584603777. The cubic root of 447481497 is about 764.8771625571.

The spelling of 447481497 in words is "four hundred forty-seven million, four hundred eighty-one thousand, four hundred ninety-seven".