448648247 has 2 divisors, whose sum is σ = 448648248. Its totient is φ = 448648246.

The previous prime is 448648231. The next prime is 448648259. The reversal of 448648247 is 742846844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448648247 - 2⁴ = 448648231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448648217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224324123 + 224324124.

It is an arithmetic number, because the mean of its divisors is an integer number (224324124).

Almost surely, 2^448648247 is an apocalyptic number.

448648247 is a deficient number, since it is larger than the sum of its proper divisors (1).

448648247 is an equidigital number, since it uses as much as digits as its factorization.

448648247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1376256, while the sum is 47.

The square root of 448648247 is about 21181.3183489602. The cubic root of 448648247 is about 765.5413583086.

The spelling of 448648247 in words is "four hundred forty-eight million, six hundred forty-eight thousand, two hundred forty-seven".