42443625 has 128 divisors (see below), whose sum is σ = 91054080. Its totient is φ = 17107200.

The previous prime is 42443603. The next prime is 42443633. The reversal of 42443625 is 52634424.

42443625 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 42443625 - 2⁶ = 42443561 is a prime.

It is a super-2 number, since 2×42443625² = 3602922606281250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42443592 and 42443601.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1147107 + ... + 1147143.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^42443625 is an apocalyptic number.

It is an amenable number.

42443625 is an abundant number, since it is smaller than the sum of its proper divisors (48610455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42443625 is a wasteful number, since it uses less digits than its factorization.

42443625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 42443625 is about 6514.8772052894. The cubic root of 42443625 is about 348.8222316696.

The spelling of 42443625 in words is "forty-two million, four hundred forty-three thousand, six hundred twenty-five".