42532005 has 16 divisors (see below), whose sum is σ = 68276160. Its totient is φ = 22608768.

The previous prime is 42531971. The next prime is 42532027. The reversal of 42532005 is 50023524.

42532005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42532005 - 2¹¹ = 42529957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 166 + ... + 9224.

It is an arithmetic number, because the mean of its divisors is an integer number (4267260).

Almost surely, 2^42532005 is an apocalyptic number.

It is an amenable number.

42532005 is a deficient number, since it is larger than the sum of its proper divisors (25744155).

42532005 is a wasteful number, since it uses less digits than its factorization.

42532005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42532005 is about 6521.6566146954. The cubic root of 42532005 is about 349.0641803352.

Adding to 42532005 its reverse (50023524), we get a palindrome (92555529).

The spelling of 42532005 in words is "forty-two million, five hundred thirty-two thousand, five".