448575513 has 4 divisors (see below), whose sum is σ = 598100688. Its totient is φ = 299050340.

The previous prime is 448575499. The next prime is 448575521. The reversal of 448575513 is 315575844.

It is a happy number.

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 448575513 - 2¹⁶ = 448509977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (448575563) 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, 74762583 + ... + 74762588.

It is an arithmetic number, because the mean of its divisors is an integer number (149525172).

Almost surely, 2^448575513 is an apocalyptic number.

It is an amenable number.

448575513 is a deficient number, since it is larger than the sum of its proper divisors (149525175).

448575513 is a wasteful number, since it uses less digits than its factorization.

448575513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149525174.

The product of its digits is 336000, while the sum is 42.

The square root of 448575513 is about 21179.6013418572. The cubic root of 448575513 is about 765.4999867034.

The spelling of 448575513 in words is "four hundred forty-eight million, five hundred seventy-five thousand, five hundred thirteen".