260489 has 2 divisors, whose sum is σ = 260490. Its totient is φ = 260488.

The previous prime is 260483. The next prime is 260527. The reversal of 260489 is 984062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 100489 = 400^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 260489 - 2¹² = 256393 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (260483) 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 as a sum of consecutive naturals, namely, 130244 + 130245.

It is an arithmetic number, because the mean of its divisors is an integer number (130245).

2²⁶⁰⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

260489 is a deficient number, since it is larger than the sum of its proper divisors (1).

260489 is an equidigital number, since it uses as much as digits as its factorization.

260489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 260489 is about 510.3812300624. The cubic root of 260489 is about 63.8650313218.

It can be divided in two parts, 26048 and 9, that multiplied together give a palindrome (234432).

The spelling of 260489 in words is "two hundred sixty thousand, four hundred eighty-nine".