447056525 has 6 divisors (see below), whose sum is σ = 554350122. Its totient is φ = 357645200.

The previous prime is 447056521. The next prime is 447056563. The reversal of 447056525 is 525650744.

It can be written as a sum of positive squares in 3 ways, for example, as 72361 + 446984164 = 269^2 + 21142^2 .

It is not a de Polignac number, because 447056525 - 2² = 447056521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447056521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8941106 + ... + 8941155.

It is an arithmetic number, because the mean of its divisors is an integer number (92391687).

Almost surely, 2^447056525 is an apocalyptic number.

It is an amenable number.

447056525 is a deficient number, since it is larger than the sum of its proper divisors (107293597).

447056525 is a wasteful number, since it uses less digits than its factorization.

447056525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17882271 (or 17882266 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 447056525 is about 21143.7112399881. The cubic root of 447056525 is about 764.6349519226.

The spelling of 447056525 in words is "four hundred forty-seven million, fifty-six thousand, five hundred twenty-five".