42352105 has 4 divisors (see below), whose sum is σ = 50822532. Its totient is φ = 33881680.

The previous prime is 42352103. The next prime is 42352111. The reversal of 42352105 is 50125324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18224361 + 24127744 = 4269^2 + 4912^2 .

It is not a de Polignac number, because 42352105 - 2¹ = 42352103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42352103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235206 + ... + 4235215.

It is an arithmetic number, because the mean of its divisors is an integer number (12705633).

Almost surely, 2^42352105 is an apocalyptic number.

It is an amenable number.

42352105 is a deficient number, since it is larger than the sum of its proper divisors (8470427).

42352105 is an equidigital number, since it uses as much as digits as its factorization.

42352105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470426.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42352105 is about 6507.8494911914. The cubic root of 42352105 is about 348.5713327110.

Adding to 42352105 its reverse (50125324), we get a palindrome (92477429).

The spelling of 42352105 in words is "forty-two million, three hundred fifty-two thousand, one hundred five".