448525815 has 32 divisors (see below), whose sum is σ = 734386176. Its totient is φ = 233694720.

The previous prime is 448525789. The next prime is 448525817. The reversal of 448525815 is 518525844.

It is not a de Polignac number, because 448525815 - 2¹² = 448521719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448525817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118482 + ... + 122208.

It is an arithmetic number, because the mean of its divisors is an integer number (22949568).

Almost surely, 2^448525815 is an apocalyptic number.

448525815 is a deficient number, since it is larger than the sum of its proper divisors (285860361).

448525815 is a wasteful number, since it uses less digits than its factorization.

448525815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919.

The product of its digits is 256000, while the sum is 42.

The square root of 448525815 is about 21178.4280578139. The cubic root of 448525815 is about 765.4717155634.

The spelling of 448525815 in words is "four hundred forty-eight million, five hundred twenty-five thousand, eight hundred fifteen".