535535 has 32 divisors (see below), whose sum is σ = 870912. Its totient is φ = 305280.

The previous prime is 535529. The next prime is 535547.

535535 = T₇₆ + T₇₇ + ... + T₁₅₃.

535535 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 535535 - 2¹⁰ = 534511 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4952 + ... + 5058.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2⁵³⁵⁵³⁵ is an apocalyptic number.

535535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

535535 is a deficient number, since it is larger than the sum of its proper divisors (335377).

535535 is a wasteful number, since it uses less digits than its factorization.

535535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143.

The product of its digits is 5625, while the sum is 26.

The square root of 535535 is about 731.8025690034. The cubic root of 535535 is about 81.2074649159.

The spelling of 535535 in words is "five hundred thirty-five thousand, five hundred thirty-five".