42125532 has 24 divisors (see below), whose sum is σ = 100691472. Its totient is φ = 13699200.

The previous prime is 42125521. The next prime is 42125537. The reversal of 42125532 is 23552124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42319 + ... + 43302.

It is an arithmetic number, because the mean of its divisors is an integer number (4195478).

Almost surely, 2^42125532 is an apocalyptic number.

It is an amenable number.

42125532 is an abundant number, since it is smaller than the sum of its proper divisors (58565940).

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

42125532 is a wasteful number, since it uses less digits than its factorization.

42125532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85669 (or 85667 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 42125532 is about 6490.4184764929. The cubic root of 42125532 is about 347.9486316040.

Adding to 42125532 its reverse (23552124), we get a palindrome (65677656).

The spelling of 42125532 in words is "forty-two million, one hundred twenty-five thousand, five hundred thirty-two".