447125641 has 2 divisors, whose sum is σ = 447125642. Its totient is φ = 447125640.

The previous prime is 447125603. The next prime is 447125677. The reversal of 447125641 is 146521744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306110016 + 141015625 = 17496^2 + 11875^2 .

It is a cyclic number.

It is not a de Polignac number, because 447125641 - 2⁷ = 447125513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447125597 and 447125606.

It is not a weakly prime, because it can be changed into another prime (447123641) 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, 223562820 + 223562821.

It is an arithmetic number, because the mean of its divisors is an integer number (223562821).

Almost surely, 2^447125641 is an apocalyptic number.

It is an amenable number.

447125641 is a deficient number, since it is larger than the sum of its proper divisors (1).

447125641 is an equidigital number, since it uses as much as digits as its factorization.

447125641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 447125641 is about 21145.3456107958. The cubic root of 447125641 is about 764.6743546850.

The spelling of 447125641 in words is "four hundred forty-seven million, one hundred twenty-five thousand, six hundred forty-one".