42330825 has 18 divisors (see below), whose sum is σ = 75819614. Its totient is φ = 22576320.

The previous prime is 42330823. The next prime is 42330829. The reversal of 42330825 is 52803324.

42330825 is nontrivially palindromic in base 14.

42330825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9566649 + 32764176 = 3093^2 + 5724^2 .

It is not a de Polignac number, because 42330825 - 2¹ = 42330823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42330823) 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 17 ways as a sum of consecutive naturals, for example, 93844 + ... + 94293.

Almost surely, 2^42330825 is an apocalyptic number.

42330825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42330825 is a deficient number, since it is larger than the sum of its proper divisors (33488789).

42330825 is a wasteful number, since it uses less digits than its factorization.

42330825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188153 (or 188145 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 42330825 is about 6506.2143370781. The cubic root of 42330825 is about 348.5129425347.

The spelling of 42330825 in words is "forty-two million, three hundred thirty thousand, eight hundred twenty-five".