42252107 has 4 divisors (see below), whose sum is σ = 43151136. Its totient is φ = 41353080.

The previous prime is 42252071. The next prime is 42252109. The reversal of 42252107 is 70125224.

It is a happy number.

42252107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42252107 - 2¹⁴ = 42235723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42252109) 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, 449444 + ... + 449537.

It is an arithmetic number, because the mean of its divisors is an integer number (10787784).

Almost surely, 2^42252107 is an apocalyptic number.

42252107 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42252107 is a deficient number, since it is larger than the sum of its proper divisors (899029).

42252107 is an equidigital number, since it uses as much as digits as its factorization.

42252107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899028.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42252107 is about 6500.1620749024. The cubic root of 42252107 is about 348.2967780345.

The spelling of 42252107 in words is "forty-two million, two hundred fifty-two thousand, one hundred seven".