42529212 has 60 divisors (see below), whose sum is σ = 121297176. Its totient is φ = 12886560.

The previous prime is 42529211. The next prime is 42529217. The reversal of 42529212 is 21292524.

It is a happy number.

42529212 is a `hidden beast` number, since 425 + 29 + 212 = 666.

42529212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42529211) 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 19 ways as a sum of consecutive naturals, for example, 2403 + ... + 9530.

Almost surely, 2^42529212 is an apocalyptic number.

It is an amenable number.

42529212 is an abundant number, since it is smaller than the sum of its proper divisors (78767964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42529212 is a wasteful number, since it uses less digits than its factorization.

42529212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11960 (or 11949 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 42529212 is about 6521.4424784705. The cubic root of 42529212 is about 349.0565393630.

The spelling of 42529212 in words is "forty-two million, five hundred twenty-nine thousand, two hundred twelve".