42567109 has 8 divisors (see below), whose sum is σ = 46707192. Its totient is φ = 38550720.

The previous prime is 42567097. The next prime is 42567113. The reversal of 42567109 is 90176524.

It can be written as a sum of positive squares in 4 ways, for example, as 30625 + 42536484 = 175^2 + 6522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42567109 - 2⁹ = 42566597 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 (42567149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30202 + ... + 31579.

It is an arithmetic number, because the mean of its divisors is an integer number (5838399).

Almost surely, 2^42567109 is an apocalyptic number.

It is an amenable number.

42567109 is a deficient number, since it is larger than the sum of its proper divisors (4140083).

42567109 is a wasteful number, since it uses less digits than its factorization.

42567109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61847.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 42567109 is about 6524.3474003152. The cubic root of 42567109 is about 349.1601878740.

The spelling of 42567109 in words is "forty-two million, five hundred sixty-seven thousand, one hundred nine".