447937313 has 4 divisors (see below), whose sum is σ = 448081920. Its totient is φ = 447792708.

The previous prime is 447937289. The next prime is 447937333. The reversal of 447937313 is 313739744.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 447937313 - 2⁶ = 447937249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447937333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67553 + ... + 73886.

It is an arithmetic number, because the mean of its divisors is an integer number (112020480).

Almost surely, 2^447937313 is an apocalyptic number.

It is an amenable number.

447937313 is a deficient number, since it is larger than the sum of its proper divisors (144607).

447937313 is a wasteful number, since it uses less digits than its factorization.

447937313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144606.

The product of its digits is 190512, while the sum is 41.

The square root of 447937313 is about 21164.5295955285. The cubic root of 447937313 is about 765.1367821832.

The spelling of 447937313 in words is "four hundred forty-seven million, nine hundred thirty-seven thousand, three hundred thirteen".