448280311 has 2 divisors, whose sum is σ = 448280312. Its totient is φ = 448280310.

The previous prime is 448280269. The next prime is 448280321. The reversal of 448280311 is 113082844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448280311 - 2¹⁵ = 448247543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448280321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224140155 + 224140156.

It is an arithmetic number, because the mean of its divisors is an integer number (224140156).

Almost surely, 2^448280311 is an apocalyptic number.

448280311 is a deficient number, since it is larger than the sum of its proper divisors (1).

448280311 is an equidigital number, since it uses as much as digits as its factorization.

448280311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 448280311 is about 21172.6311780090. The cubic root of 448280311 is about 765.3320278280.

The spelling of 448280311 in words is "four hundred forty-eight million, two hundred eighty thousand, three hundred eleven".