268533 has 6 divisors (see below), whose sum is σ = 387894. Its totient is φ = 179016.

The previous prime is 268531. The next prime is 268537. The reversal of 268533 is 335862.

It can be written as a sum of positive squares in only one way, i.e., 161604 + 106929 = 402^2 + 327^2 .

It is not a de Polignac number, because 268533 - 2¹ = 268531 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 6² + 5⁷ + 8 + 3⁵ + 3¹⁰ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 268497 and 268506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14910 + ... + 14927.

It is an arithmetic number, because the mean of its divisors is an integer number (64649).

2²⁶⁸⁵³³ is an apocalyptic number.

It is an amenable number.

268533 is a deficient number, since it is larger than the sum of its proper divisors (119361).

268533 is a wasteful number, since it uses less digits than its factorization.

268533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29843 (or 29840 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 268533 is about 518.2016981832. The cubic root of 268533 is about 64.5157704362.

The spelling of 268533 in words is "two hundred sixty-eight thousand, five hundred thirty-three".