447461253 has 10 divisors (see below), whose sum is σ = 668429894. Its totient is φ = 298307448.

The previous prime is 447461237. The next prime is 447461279. The reversal of 447461253 is 352164744.

It can be written as a sum of positive squares in only one way, i.e., 427372929 + 20088324 = 20673^2 + 4482^2 .

It is not a de Polignac number, because 447461253 - 2⁴ = 447461237 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 (447461753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2762026 + ... + 2762187.

Almost surely, 2^447461253 is an apocalyptic number.

It is an amenable number.

447461253 is a deficient number, since it is larger than the sum of its proper divisors (220968641).

447461253 is an equidigital number, since it uses as much as digits as its factorization.

447461253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524225 (or 5524216 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 447461253 is about 21153.2799584367. The cubic root of 447461253 is about 764.8656280714.

The spelling of 447461253 in words is "four hundred forty-seven million, four hundred sixty-one thousand, two hundred fifty-three".