447025961 has 2 divisors, whose sum is σ = 447025962. Its totient is φ = 447025960.

The previous prime is 447025937. The next prime is 447026059. The reversal of 447025961 is 169520744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406627225 + 40398736 = 20165^2 + 6356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447025961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (447025261) 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, 223512980 + 223512981.

It is an arithmetic number, because the mean of its divisors is an integer number (223512981).

Almost surely, 2^447025961 is an apocalyptic number.

It is an amenable number.

447025961 is a deficient number, since it is larger than the sum of its proper divisors (1).

447025961 is an equidigital number, since it uses as much as digits as its factorization.

447025961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 447025961 is about 21142.9884595343. The cubic root of 447025961 is about 764.6175262102.

The spelling of 447025961 in words is "four hundred forty-seven million, twenty-five thousand, nine hundred sixty-one".