42366565 has 16 divisors (see below), whose sum is σ = 51720192. Its totient is φ = 33312384.

The previous prime is 42366563. The next prime is 42366587. The reversal of 42366565 is 56566324.

42366565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42366565 - 2¹ = 42366563 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 (42366563) 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 15 ways as a sum of consecutive naturals, for example, 86752 + ... + 87238.

It is an arithmetic number, because the mean of its divisors is an integer number (3232512).

Almost surely, 2^42366565 is an apocalyptic number.

It is an amenable number.

42366565 is a deficient number, since it is larger than the sum of its proper divisors (9353627).

42366565 is a wasteful number, since it uses less digits than its factorization.

42366565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its digits is 129600, while the sum is 37.

The square root of 42366565 is about 6508.9603624542. The cubic root of 42366565 is about 348.6109983345.

It can be divided in two parts, 4236 and 6565, that added together give a palindrome (10801).

The spelling of 42366565 in words is "forty-two million, three hundred sixty-six thousand, five hundred sixty-five".