448648253 has 8 divisors (see below), whose sum is σ = 451771896. Its totient is φ = 445536000.

The previous prime is 448648247. The next prime is 448648259. The reversal of 448648253 is 352846844.

It is an interprime number because it is at equal distance from previous prime (448648247) and next prime (448648259).

It can be written as a sum of positive squares in 4 ways, for example, as 28111204 + 420537049 = 5302^2 + 20507^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448648253 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 (448648259) 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, 85403 + ... + 90503.

It is an arithmetic number, because the mean of its divisors is an integer number (56471487).

Almost surely, 2^448648253 is an apocalyptic number.

It is an amenable number.

448648253 is a deficient number, since it is larger than the sum of its proper divisors (3123643).

448648253 is a wasteful number, since it uses less digits than its factorization.

448648253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695.

The product of its digits is 737280, while the sum is 44.

The square root of 448648253 is about 21181.3184905945. The cubic root of 448648253 is about 765.5413617212.

The spelling of 448648253 in words is "four hundred forty-eight million, six hundred forty-eight thousand, two hundred fifty-three".