535 has 4 divisors (see below), whose sum is σ = 648.
Its totient is φ = 424.
The previous prime is 523. The next prime is 541.
535 is nontrivially palindromic in base 10.
535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
535 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 535 - 25 = 503 is a prime.
It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
535 is an undulating number in base 10.
535 is a lucky number.
It is a plaindrome in base 11 and base 15.
It is a nialpdrome in base 9 and base 13.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49 + ... + 58.
It is an arithmetic number, because the mean of its divisors is an integer number (162).
535 is a deficient number, since it is larger than the sum of its proper divisors (113).
535 is a wasteful number, since it uses less digits than its factorization.
535 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112.
The product of its digits is 75, while the sum is 13.
The square root of 535 is about 23.1300670124.
The cubic root of 535 is about 8.1180413793.
The spelling of 535 in words is "five hundred thirty-five", and thus it is an aban number and an oban number.