42232425 has 12 divisors (see below), whose sum is σ = 69824400. Its totient is φ = 22523920.

The previous prime is 42232391. The next prime is 42232441. The reversal of 42232425 is 52423224.

It is a happy number.

It is not a de Polignac number, because 42232425 - 2¹⁸ = 41970281 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42232395 and 42232404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281475 + ... + 281624.

It is an arithmetic number, because the mean of its divisors is an integer number (5818700).

Almost surely, 2^42232425 is an apocalyptic number.

It is an amenable number.

42232425 is a deficient number, since it is larger than the sum of its proper divisors (27591975).

42232425 is a wasteful number, since it uses less digits than its factorization.

42232425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563112 (or 563107 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 42232425 is about 6498.6479363018. The cubic root of 42232425 is about 348.2426880937.

Adding to 42232425 its reverse (52423224), we get a palindrome (94655649).

The spelling of 42232425 in words is "forty-two million, two hundred thirty-two thousand, four hundred twenty-five".