447313 has 4 divisors (see below), whose sum is σ = 454708. Its totient is φ = 439920.

The previous prime is 447311. The next prime is 447319. The reversal of 447313 is 313744.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 439569 = 88^2 + 663^2 .

It is a cyclic number.

It is not a de Polignac number, because 447313 - 2¹ = 447311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447311) 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, 3606 + ... + 3727.

It is an arithmetic number, because the mean of its divisors is an integer number (113677).

2⁴⁴⁷³¹³ is an apocalyptic number.

It is an amenable number.

447313 is a deficient number, since it is larger than the sum of its proper divisors (7395).

447313 is an equidigital number, since it uses as much as digits as its factorization.

447313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394.

The product of its digits is 1008, while the sum is 22.

The square root of 447313 is about 668.8146230459. The cubic root of 447313 is about 76.4781146902.

The spelling of 447313 in words is "four hundred forty-seven thousand, three hundred thirteen".