42648825 has 36 divisors (see below), whose sum is σ = 74655440. Its totient is φ = 21424320.

The previous prime is 42648817. The next prime is 42648829. The reversal of 42648825 is 52884624.

42648825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42648825 - 2³ = 42648817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42648829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 246439 + ... + 246611.

Almost surely, 2^42648825 is an apocalyptic number.

It is an amenable number.

42648825 is a deficient number, since it is larger than the sum of its proper divisors (32006615).

42648825 is a wasteful number, since it uses less digits than its factorization.

42648825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 200 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 42648825 is about 6530.6067865092. The cubic root of 42648825 is about 349.3834724430.

The spelling of 42648825 in words is "forty-two million, six hundred forty-eight thousand, eight hundred twenty-five".