42252117 has 8 divisors (see below), whose sum is σ = 56604000. Its totient is φ = 28034160.

The previous prime is 42252109. The next prime is 42252137. The reversal of 42252117 is 71125224.

42252117 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 not a de Polignac number, because 42252117 - 2³ = 42252109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252137) 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, 32742 + ... + 34007.

It is an arithmetic number, because the mean of its divisors is an integer number (7075500).

Almost surely, 2^42252117 is an apocalyptic number.

It is an amenable number.

42252117 is a deficient number, since it is larger than the sum of its proper divisors (14351883).

42252117 is a wasteful number, since it uses less digits than its factorization.

42252117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66963.

The product of its digits is 1120, while the sum is 24.

The square root of 42252117 is about 6500.1628441140. The cubic root of 42252117 is about 348.2968055121.

The spelling of 42252117 in words is "forty-two million, two hundred fifty-two thousand, one hundred seventeen".