447325817 has 2 divisors, whose sum is σ = 447325818. Its totient is φ = 447325816.

The previous prime is 447325793. The next prime is 447325829. The reversal of 447325817 is 718523744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414366736 + 32959081 = 20356^2 + 5741^2 .

It is a cyclic number.

It is not a de Polignac number, because 447325817 - 2¹⁰ = 447324793 is a prime.

It is a Chen prime.

It is equal to p_23718596 and since 447325817 and 23718596 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (447325717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223662908 + 223662909.

It is an arithmetic number, because the mean of its divisors is an integer number (223662909).

Almost surely, 2^447325817 is an apocalyptic number.

It is an amenable number.

447325817 is a deficient number, since it is larger than the sum of its proper divisors (1).

447325817 is an equidigital number, since it uses as much as digits as its factorization.

447325817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 447325817 is about 21150.0784159303. The cubic root of 447325817 is about 764.7884513374.

The spelling of 447325817 in words is "four hundred forty-seven million, three hundred twenty-five thousand, eight hundred seventeen".