42012532 has 12 divisors (see below), whose sum is σ = 76057380. Its totient is φ = 20281856.

The previous prime is 42012521. The next prime is 42012541. The reversal of 42012532 is 23521024.

It can be written as a sum of positive squares in 2 ways, for example, as 24068836 + 17943696 = 4906^2 + 4236^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 180973 + ... + 181204.

It is an arithmetic number, because the mean of its divisors is an integer number (6338115).

Almost surely, 2^42012532 is an apocalyptic number.

It is an amenable number.

42012532 is a deficient number, since it is larger than the sum of its proper divisors (34044848).

42012532 is a wasteful number, since it uses less digits than its factorization.

42012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362210 (or 362208 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42012532 is about 6481.7074910860. The cubic root of 42012532 is about 347.6372337220.

Adding to 42012532 its reverse (23521024), we get a palindrome (65533556).

The spelling of 42012532 in words is "forty-two million, twelve thousand, five hundred thirty-two".