42275109 has 4 divisors (see below), whose sum is σ = 56366816. Its totient is φ = 28183404.

The previous prime is 42275071. The next prime is 42275111. The reversal of 42275109 is 90157224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42275109 - 2⁸ = 42274853 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 (42275119) 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, 7045849 + ... + 7045854.

It is an arithmetic number, because the mean of its divisors is an integer number (14091704).

Almost surely, 2^42275109 is an apocalyptic number.

It is an amenable number.

42275109 is a deficient number, since it is larger than the sum of its proper divisors (14091707).

42275109 is a wasteful number, since it uses less digits than its factorization.

42275109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091706.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 42275109 is about 6501.9311746588. The cubic root of 42275109 is about 348.3599706946.

The spelling of 42275109 in words is "forty-two million, two hundred seventy-five thousand, one hundred nine".