42065653 has 8 divisors (see below), whose sum is σ = 49193408. Its totient is φ = 35217504.

The previous prime is 42065651. The next prime is 42065669. The reversal of 42065653 is 35656024.

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

It is not a de Polignac number, because 42065653 - 2¹ = 42065651 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 (42065651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69576 + ... + 70177.

It is an arithmetic number, because the mean of its divisors is an integer number (6149176).

Almost surely, 2^42065653 is an apocalyptic number.

42065653 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42065653 is a deficient number, since it is larger than the sum of its proper divisors (7127755).

42065653 is a wasteful number, since it uses less digits than its factorization.

42065653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139803.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 42065653 is about 6485.8039594178. The cubic root of 42065653 is about 347.7836904962.

The spelling of 42065653 in words is "forty-two million, sixty-five thousand, six hundred fifty-three".