447292997 has 2 divisors, whose sum is σ = 447292998. Its totient is φ = 447292996.

The previous prime is 447292981. The next prime is 447293047. The reversal of 447292997 is 799292744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344696356 + 102596641 = 18566^2 + 10129^2 .

It is a cyclic number.

It is not a de Polignac number, because 447292997 - 2⁴ = 447292981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447294997) 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 as a sum of consecutive naturals, namely, 223646498 + 223646499.

It is an arithmetic number, because the mean of its divisors is an integer number (223646499).

Almost surely, 2^447292997 is an apocalyptic number.

It is an amenable number.

447292997 is a deficient number, since it is larger than the sum of its proper divisors (1).

447292997 is an equidigital number, since it uses as much as digits as its factorization.

447292997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 447292997 is about 21149.3025180501. The cubic root of 447292997 is about 764.7697468719.

The spelling of 447292997 in words is "four hundred forty-seven million, two hundred ninety-two thousand, nine hundred ninety-seven".