42452111 has 8 divisors (see below), whose sum is σ = 48407184. Its totient is φ = 36881280.

The previous prime is 42452083. The next prime is 42452117. The reversal of 42452111 is 11125424.

It is a happy number.

42452111 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42452111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42452117) 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 7 ways as a sum of consecutive naturals, for example, 95825 + ... + 96266.

It is an arithmetic number, because the mean of its divisors is an integer number (6050898).

Almost surely, 2^42452111 is an apocalyptic number.

42452111 is a deficient number, since it is larger than the sum of its proper divisors (5955073).

42452111 is a wasteful number, since it uses less digits than its factorization.

42452111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192121.

The product of its digits is 320, while the sum is 20.

The square root of 42452111 is about 6515.5284513230. The cubic root of 42452111 is about 348.8454774708.

Adding to 42452111 its reverse (11125424), we get a palindrome (53577535).

The spelling of 42452111 in words is "forty-two million, four hundred fifty-two thousand, one hundred eleven".