447274481 has 2 divisors, whose sum is σ = 447274482. Its totient is φ = 447274480.

The previous prime is 447274439. The next prime is 447274517. The reversal of 447274481 is 184472744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420906256 + 26368225 = 20516^2 + 5135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447274481 is a prime.

It is a super-2 number, since 2×447274481² = 400108922707638722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (447274411) 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 as a sum of consecutive naturals, namely, 223637240 + 223637241.

It is an arithmetic number, because the mean of its divisors is an integer number (223637241).

Almost surely, 2^447274481 is an apocalyptic number.

It is an amenable number.

447274481 is a deficient number, since it is larger than the sum of its proper divisors (1).

447274481 is an equidigital number, since it uses as much as digits as its factorization.

447274481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 200704, while the sum is 41.

The square root of 447274481 is about 21148.8647685875. The cubic root of 447274481 is about 764.7591940038.

The spelling of 447274481 in words is "four hundred forty-seven million, two hundred seventy-four thousand, four hundred eighty-one".