100535 has 4 divisors (see below), whose sum is σ = 120648. Its totient is φ = 80424.

The previous prime is 100523. The next prime is 100537. The reversal of 100535 is 535001.

100535 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535001 = 47 ⋅11383.

It is a cyclic number.

It is not a de Polignac number, because 100535 - 2⁴ = 100519 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 (100537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10049 + ... + 10058.

It is an arithmetic number, because the mean of its divisors is an integer number (30162).

2¹⁰⁰⁵³⁵ is an apocalyptic number.

100535 is a deficient number, since it is larger than the sum of its proper divisors (20113).

100535 is an equidigital number, since it uses as much as digits as its factorization.

100535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 100535 is about 317.0725469037. The cubic root of 100535 is about 46.4985161588.

Adding to 100535 its reverse (535001), we get a palindrome (635536).

The spelling of 100535 in words is "one hundred thousand, five hundred thirty-five".