42504212 has 12 divisors (see below), whose sum is σ = 75324480. Its totient is φ = 20982936.

The previous prime is 42504181. The next prime is 42504239. The reversal of 42504212 is 21240524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66938 + ... + 67569.

It is an arithmetic number, because the mean of its divisors is an integer number (6277040).

Almost surely, 2^42504212 is an apocalyptic number.

It is an amenable number.

42504212 is a deficient number, since it is larger than the sum of its proper divisors (32820268).

42504212 is a wasteful number, since it uses less digits than its factorization.

42504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134590 (or 134588 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42504212 is about 6519.5254428524. The cubic root of 42504212 is about 348.9881305093.

Adding to 42504212 its reverse (21240524), we get a palindrome (63744736).

The spelling of 42504212 in words is "forty-two million, five hundred four thousand, two hundred twelve".