447497253 has 36 divisors (see below), whose sum is σ = 791506560. Its totient is φ = 242249616.

The previous prime is 447497243. The next prime is 447497299. The reversal of 447497253 is 352794744.

It is not a de Polignac number, because 447497253 - 2⁶ = 447497189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447497199 and 447497208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447497243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18325 + ... + 35082.

Almost surely, 2^447497253 is an apocalyptic number.

It is an amenable number.

447497253 is a deficient number, since it is larger than the sum of its proper divisors (344009307).

447497253 is a wasteful number, since it uses less digits than its factorization.

447497253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53446 (or 53436 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 447497253 is about 21154.1308731888. The cubic root of 447497253 is about 764.8861396606.

The spelling of 447497253 in words is "four hundred forty-seven million, four hundred ninety-seven thousand, two hundred fifty-three".