42825616 has 20 divisors (see below), whose sum is σ = 83799324. Its totient is φ = 21200000.

The previous prime is 42825611. The next prime is 42825617. The reversal of 42825616 is 61652824.

42825616 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 2 ways, for example, as 30294016 + 12531600 = 5504^2 + 3540^2 .

It is not an unprimeable number, because it can be changed into a prime (42825611) 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 3 ways as a sum of consecutive naturals, for example, 11635 + ... + 14866.

Almost surely, 2^42825616 is an apocalyptic number.

It is an amenable number.

42825616 is a deficient number, since it is larger than the sum of its proper divisors (40973708).

42825616 is a wasteful number, since it uses less digits than its factorization.

42825616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610 (or 26604 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 42825616 is about 6544.1283605993. The cubic root of 42825616 is about 349.8655701428.

The spelling of 42825616 in words is "forty-two million, eight hundred twenty-five thousand, six hundred sixteen".