535645 has 8 divisors (see below), whose sum is σ = 701280. Its totient is φ = 389520.

The previous prime is 535637. The next prime is 535663. The reversal of 535645 is 546535.

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

It is not a de Polignac number, because 535645 - 2³ = 535637 is a prime.

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, 4815 + ... + 4924.

It is an arithmetic number, because the mean of its divisors is an integer number (87660).

2⁵³⁵⁶⁴⁵ is an apocalyptic number.

535645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

535645 is a deficient number, since it is larger than the sum of its proper divisors (165635).

535645 is a wasteful number, since it uses less digits than its factorization.

535645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9755.

The product of its digits is 9000, while the sum is 28.

The square root of 535645 is about 731.8777220274. The cubic root of 535645 is about 81.2130245958.

The spelling of 535645 in words is "five hundred thirty-five thousand, six hundred forty-five".