42304425 has 12 divisors (see below), whose sum is σ = 69943440. Its totient is φ = 22562320.

The previous prime is 42304391. The next prime is 42304439. The reversal of 42304425 is 52440324.

It is not a de Polignac number, because 42304425 - 2¹⁴ = 42288041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42304395 and 42304404.

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, 281955 + ... + 282104.

It is an arithmetic number, because the mean of its divisors is an integer number (5828620).

Almost surely, 2^42304425 is an apocalyptic number.

It is an amenable number.

42304425 is a deficient number, since it is larger than the sum of its proper divisors (27639015).

42304425 is a wasteful number, since it uses less digits than its factorization.

42304425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564072 (or 564067 counting only the distinct ones).

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

The square root of 42304425 is about 6504.1851910904. The cubic root of 42304425 is about 348.4404763901.

Adding to 42304425 its reverse (52440324), we get a palindrome (94744749).

The spelling of 42304425 in words is "forty-two million, three hundred four thousand, four hundred twenty-five".