42795565 has 4 divisors (see below), whose sum is σ = 51354684. Its totient is φ = 34236448.

The previous prime is 42795563. The next prime is 42795589. The reversal of 42795565 is 56559724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12292036 + 30503529 = 3506^2 + 5523^2 .

It is a cyclic number.

It is not a de Polignac number, because 42795565 - 2¹ = 42795563 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 (42795563) 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, 4279552 + ... + 4279561.

It is an arithmetic number, because the mean of its divisors is an integer number (12838671).

Almost surely, 2^42795565 is an apocalyptic number.

It is an amenable number.

42795565 is a deficient number, since it is larger than the sum of its proper divisors (8559119).

42795565 is an equidigital number, since it uses as much as digits as its factorization.

42795565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559118.

The product of its digits is 378000, while the sum is 43.

The square root of 42795565 is about 6541.8319299719. The cubic root of 42795565 is about 349.7837167149.

The spelling of 42795565 in words is "forty-two million, seven hundred ninety-five thousand, five hundred sixty-five".