448543531 has 2 divisors, whose sum is σ = 448543532. Its totient is φ = 448543530.

The previous prime is 448543523. The next prime is 448543541. The reversal of 448543531 is 135345844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448543531 - 2³ = 448543523 is a prime.

It is a super-2 number, since 2×448543531² = 402382598403895922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448543541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224271765 + 224271766.

It is an arithmetic number, because the mean of its divisors is an integer number (224271766).

Almost surely, 2^448543531 is an apocalyptic number.

448543531 is a deficient number, since it is larger than the sum of its proper divisors (1).

448543531 is an equidigital number, since it uses as much as digits as its factorization.

448543531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 448543531 is about 21178.8463094664. The cubic root of 448543531 is about 765.4817937038.

The spelling of 448543531 in words is "four hundred forty-eight million, five hundred forty-three thousand, five hundred thirty-one".