448522891 has 2 divisors, whose sum is σ = 448522892. Its totient is φ = 448522890.

The previous prime is 448522871. The next prime is 448522913. The reversal of 448522891 is 198225844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448522891 - 2¹⁵ = 448490123 is a prime.

It is not a weakly prime, because it can be changed into another prime (448522801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224261445 + 224261446.

It is an arithmetic number, because the mean of its divisors is an integer number (224261446).

Almost surely, 2^448522891 is an apocalyptic number.

448522891 is a deficient number, since it is larger than the sum of its proper divisors (1).

448522891 is an equidigital number, since it uses as much as digits as its factorization.

448522891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 43.

The square root of 448522891 is about 21178.3590251936. The cubic root of 448522891 is about 765.4700521555.

The spelling of 448522891 in words is "four hundred forty-eight million, five hundred twenty-two thousand, eight hundred ninety-one".