42533012 has 12 divisors (see below), whose sum is σ = 75452916. Its totient is φ = 20975040.

The previous prime is 42532993. The next prime is 42533021. The reversal of 42533012 is 21033524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17272336 + 25260676 = 4156^2 + 5026^2 .

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, 72539 + ... + 73122.

It is an arithmetic number, because the mean of its divisors is an integer number (6287743).

Almost surely, 2^42533012 is an apocalyptic number.

It is an amenable number.

42533012 is a deficient number, since it is larger than the sum of its proper divisors (32919904).

42533012 is a wasteful number, since it uses less digits than its factorization.

42533012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145738 (or 145736 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42533012 is about 6521.7338185486. The cubic root of 42533012 is about 349.0669351615.

Adding to 42533012 its reverse (21033524), we get a palindrome (63566536).

The spelling of 42533012 in words is "forty-two million, five hundred thirty-three thousand, twelve".