448018531 has 2 divisors, whose sum is σ = 448018532. Its totient is φ = 448018530.

The previous prime is 448018513. The next prime is 448018573. The reversal of 448018531 is 135810844.

Together with previous prime (448018513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448018531 - 2⁹ = 448018019 is a prime.

It is a super-2 number, since 2×448018531² = 401441208238795922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448018511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224009265 + 224009266.

It is an arithmetic number, because the mean of its divisors is an integer number (224009266).

Almost surely, 2^448018531 is an apocalyptic number.

448018531 is a deficient number, since it is larger than the sum of its proper divisors (1).

448018531 is an equidigital number, since it uses as much as digits as its factorization.

448018531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 448018531 is about 21166.4482377181. The cubic root of 448018531 is about 765.1830231206.

The spelling of 448018531 in words is "four hundred forty-eight million, eighteen thousand, five hundred thirty-one".