447513225 has 12 divisors (see below), whose sum is σ = 739888656. Its totient is φ = 238673680.

The previous prime is 447513223. The next prime is 447513233. The reversal of 447513225 is 522315744.

It is not a de Polignac number, because 447513225 - 2¹ = 447513223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447513223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2983347 + ... + 2983496.

It is an arithmetic number, because the mean of its divisors is an integer number (61657388).

Almost surely, 2^447513225 is an apocalyptic number.

It is an amenable number.

447513225 is a deficient number, since it is larger than the sum of its proper divisors (292375431).

447513225 is a wasteful number, since it uses less digits than its factorization.

447513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966856 (or 5966851 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 447513225 is about 21154.5083847392. The cubic root of 447513225 is about 764.8952396167.

Adding to 447513225 its reverse (522315744), we get a palindrome (969828969).

The spelling of 447513225 in words is "four hundred forty-seven million, five hundred thirteen thousand, two hundred twenty-five".