42651105 has 32 divisors (see below), whose sum is σ = 82099200. Its totient is φ = 18470592.

The previous prime is 42651019. The next prime is 42651109. The reversal of 42651105 is 50115624.

42651105 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 42651105 - 2¹³ = 42642913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42651109) 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 31 ways as a sum of consecutive naturals, for example, 8695 + ... + 12684.

It is an arithmetic number, because the mean of its divisors is an integer number (2565600).

Almost surely, 2^42651105 is an apocalyptic number.

It is an amenable number.

42651105 is a deficient number, since it is larger than the sum of its proper divisors (39448095).

42651105 is a wasteful number, since it uses less digits than its factorization.

42651105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21413.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 42651105 is about 6530.7813468221. The cubic root of 42651105 is about 349.3896983287.

Adding to 42651105 its reverse (50115624), we get a palindrome (92766729).

The spelling of 42651105 in words is "forty-two million, six hundred fifty-one thousand, one hundred five".