535231 has 4 divisors (see below), whose sum is σ = 537264. Its totient is φ = 533200.

The previous prime is 535229. The next prime is 535237. The reversal of 535231 is 132535.

535231 is nontrivially palindromic in base 5.

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 535231 - 2¹ = 535229 is a prime.

It is a super-2 number, since 2×535231² = 572944446722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5³ + 3³ + 2⁹ + 5⁵ + 3¹² + 1 .

It is a Duffinian number.

535231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 535199 and 535208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2⁵³⁵²³¹ is an apocalyptic number.

535231 is a deficient number, since it is larger than the sum of its proper divisors (2033).

535231 is a wasteful number, since it uses less digits than its factorization.

535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032.

The product of its digits is 450, while the sum is 19.

The square root of 535231 is about 731.5948332240. The cubic root of 535231 is about 81.1920960218.

Adding to 535231 its reverse (132535), we get a palindrome (667766).

The spelling of 535231 in words is "five hundred thirty-five thousand, two hundred thirty-one".