447247245 has 16 divisors (see below), whose sum is σ = 717305472. Its totient is φ = 237961920.

The previous prime is 447247223. The next prime is 447247249. The reversal of 447247245 is 542742744.

It is not a de Polignac number, because 447247245 - 2⁹ = 447246733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447247249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29097 + ... + 41726.

It is an arithmetic number, because the mean of its divisors is an integer number (44831592).

Almost surely, 2^447247245 is an apocalyptic number.

It is an amenable number.

447247245 is a deficient number, since it is larger than the sum of its proper divisors (270058227).

447247245 is a wasteful number, since it uses less digits than its factorization.

447247245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71252.

The product of its digits is 250880, while the sum is 39.

The square root of 447247245 is about 21148.2208471540. The cubic root of 447247245 is about 764.7436707959.

Adding to 447247245 its reverse (542742744), we get a palindrome (989989989).

The spelling of 447247245 in words is "four hundred forty-seven million, two hundred forty-seven thousand, two hundred forty-five".