42105526 has 8 divisors (see below), whose sum is σ = 63204624. Its totient is φ = 21037320.

The previous prime is 42105523. The next prime is 42105563. The reversal of 42105526 is 62550124.

42105526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42105526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105523) 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 3 ways as a sum of consecutive naturals, for example, 3945 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (7900578).

Almost surely, 2^42105526 is an apocalyptic number.

42105526 is a deficient number, since it is larger than the sum of its proper divisors (21099098).

42105526 is a wasteful number, since it uses less digits than its factorization.

42105526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42105526 is about 6488.8770985433. The cubic root of 42105526 is about 347.8935410034.

The spelling of 42105526 in words is "forty-two million, one hundred five thousand, five hundred twenty-six".