6535645 has 8 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 5219280.

The previous prime is 6535631. The next prime is 6535651. The reversal of 6535645 is 5465356.

6535645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6535645 - 2⁷ = 6535517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6535645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296 + ... + 5614.

It is an arithmetic number, because the mean of its divisors is an integer number (982080).

Almost surely, 2^6535645 is an apocalyptic number.

It is an amenable number.

6535645 is a deficient number, since it is larger than the sum of its proper divisors (1320995).

6535645 is a wasteful number, since it uses less digits than its factorization.

6535645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its digits is 54000, while the sum is 34.

The square root of 6535645 is about 2556.4907588333. The cubic root of 6535645 is about 186.9660780930.

The spelling of 6535645 in words is "six million, five hundred thirty-five thousand, six hundred forty-five".