42235625 has 10 divisors (see below), whose sum is σ = 52778418. Its totient is φ = 33788000.

The previous prime is 42235601. The next prime is 42235649. The reversal of 42235625 is 52653224.

42235625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42235601) and next prime (42235649).

It can be written as a sum of positive squares in 5 ways, for example, as 18215824 + 24019801 = 4268^2 + 4901^2 .

It is not a de Polignac number, because 42235625 - 2²² = 38041321 is a prime.

It is a Duffinian number.

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 9 ways as a sum of consecutive naturals, for example, 33164 + ... + 34413.

Almost surely, 2^42235625 is an apocalyptic number.

It is an amenable number.

42235625 is a deficient number, since it is larger than the sum of its proper divisors (10542793).

42235625 is an frugal number, since it uses more digits than its factorization.

42235625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67597 (or 67582 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 42235625 is about 6498.8941366974. The cubic root of 42235625 is about 348.2514834562.

Adding to 42235625 its reverse (52653224), we get a palindrome (94888849).

The spelling of 42235625 in words is "forty-two million, two hundred thirty-five thousand, six hundred twenty-five".