260533 has 12 divisors (see below), whose sum is σ = 327180. Its totient is φ = 205632.

The previous prime is 260527. The next prime is 260539. The reversal of 260533 is 335062.

It is an interprime number because it is at equal distance from previous prime (260527) and next prime (260539).

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 117649 = 378^2 + 343^2 .

It is not a de Polignac number, because 260533 - 2¹³ = 252341 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 260533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (27265).

2²⁶⁰⁵³³ is an apocalyptic number.

It is an amenable number.

260533 is a deficient number, since it is larger than the sum of its proper divisors (66647).

260533 is a wasteful number, since it uses less digits than its factorization.

260533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 260533 is about 510.4243332758. The cubic root of 260533 is about 63.8686269991.

Adding to 260533 its reverse (335062), we get a palindrome (595595).

Subtracting 260533 from its reverse (335062), we obtain a square (74529 = 273²).

The spelling of 260533 in words is "two hundred sixty thousand, five hundred thirty-three".