448487521 has 8 divisors (see below), whose sum is σ = 450802944. Its totient is φ = 446177760.

The previous prime is 448487513. The next prime is 448487527. The reversal of 448487521 is 125784844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 448487521 - 2³ = 448487513 is a prime.

It is a super-2 number, since 2×448487521² = 402282112985450882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448487527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309220 + ... + 310666.

It is an arithmetic number, because the mean of its divisors is an integer number (56350368).

Almost surely, 2^448487521 is an apocalyptic number.

It is an amenable number.

448487521 is a deficient number, since it is larger than the sum of its proper divisors (2315423).

448487521 is a wasteful number, since it uses less digits than its factorization.

448487521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its digits is 286720, while the sum is 43.

The square root of 448487521 is about 21177.5239581968. The cubic root of 448487521 is about 765.4499302635.

The spelling of 448487521 in words is "four hundred forty-eight million, four hundred eighty-seven thousand, five hundred twenty-one".