448648251 has 16 divisors (see below), whose sum is σ = 606297120. Its totient is φ = 295073280.

The previous prime is 448648247. The next prime is 448648259. The reversal of 448648251 is 152846844.

It is not a de Polignac number, because 448648251 - 2² = 448648247 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 75961 + ... + 81653.

It is an arithmetic number, because the mean of its divisors is an integer number (37893570).

Almost surely, 2^448648251 is an apocalyptic number.

448648251 is a deficient number, since it is larger than the sum of its proper divisors (157648869).

448648251 is a wasteful number, since it uses less digits than its factorization.

448648251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

The product of its digits is 245760, while the sum is 42.

The square root of 448648251 is about 21181.3184433831. The cubic root of 448648251 is about 765.5413605837.

The spelling of 448648251 in words is "four hundred forty-eight million, six hundred forty-eight thousand, two hundred fifty-one".