447052613 has 4 divisors (see below), whose sum is σ = 510917280. Its totient is φ = 383187948.

The previous prime is 447052583. The next prime is 447052631. The reversal of 447052613 is 316250744.

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 447052613 - 2¹² = 447048517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447052613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447052693) 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, 31932323 + ... + 31932336.

It is an arithmetic number, because the mean of its divisors is an integer number (127729320).

Almost surely, 2^447052613 is an apocalyptic number.

It is an amenable number.

447052613 is a deficient number, since it is larger than the sum of its proper divisors (63864667).

447052613 is an equidigital number, since it uses as much as digits as its factorization.

447052613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63864666.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 447052613 is about 21143.6187300093. The cubic root of 447052613 is about 764.6327215852.

The spelling of 447052613 in words is "four hundred forty-seven million, fifty-two thousand, six hundred thirteen".