42425625 has 80 divisors (see below), whose sum is σ = 82323648. Its totient is φ = 19360000.

The previous prime is 42425623. The next prime is 42425627. The reversal of 42425625 is 52652424.

It is a happy number.

42425625 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 (42425623) and next prime (42425627).

It is not a de Polignac number, because 42425625 - 2¹ = 42425623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42425592 and 42425601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425623) 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 79 ways as a sum of consecutive naturals, for example, 2495617 + ... + 2495633.

Almost surely, 2^42425625 is an apocalyptic number.

It is an amenable number.

42425625 is a deficient number, since it is larger than the sum of its proper divisors (39898023).

42425625 is an equidigital number, since it uses as much as digits as its factorization.

42425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 36 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 42425625 is about 6513.4956052799. The cubic root of 42425625 is about 348.7729137962.

The spelling of 42425625 in words is "forty-two million, four hundred twenty-five thousand, six hundred twenty-five".