447613 has 4 divisors (see below), whose sum is σ = 450268. Its totient is φ = 444960.

The previous prime is 447611. The next prime is 447617. The reversal of 447613 is 316744.

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 131769 + 315844 = 363^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 447613 - 2¹ = 447611 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 (447611) 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, 1056 + ... + 1417.

It is an arithmetic number, because the mean of its divisors is an integer number (112567).

2⁴⁴⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

447613 is a deficient number, since it is larger than the sum of its proper divisors (2655).

447613 is a wasteful number, since it uses less digits than its factorization.

447613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654.

The product of its digits is 2016, while the sum is 25.

The square root of 447613 is about 669.0388628473. The cubic root of 447613 is about 76.4952080955.

It can be divided in two parts, 4476 and 13, that added together give a square (4489 = 67²).

The spelling of 447613 in words is "four hundred forty-seven thousand, six hundred thirteen".