260999 has 2 divisors, whose sum is σ = 261000. Its totient is φ = 260998.

The previous prime is 260987. The next prime is 261011. The reversal of 260999 is 999062.

It is a balanced prime because it is at equal distance from previous prime (260987) and next prime (261011).

It is a cyclic number.

It is not a de Polignac number, because 260999 - 2⁴ = 260983 is a prime.

It is a super-3 number, since 3×260999³ = 53338129913348997, which contains 333 as substring.

It is a Sophie Germain prime.

260999 is a modest number, since divided by 999 gives 260 as remainder.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 260999.

It is not a weakly prime, because it can be changed into another prime (260959) 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 as a sum of consecutive naturals, namely, 130499 + 130500.

It is an arithmetic number, because the mean of its divisors is an integer number (130500).

2²⁶⁰⁹⁹⁹ is an apocalyptic number.

260999 is a deficient number, since it is larger than the sum of its proper divisors (1).

260999 is an equidigital number, since it uses as much as digits as its factorization.

260999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 260999 is about 510.8806122765. The cubic root of 260999 is about 63.9066836661.

The spelling of 260999 in words is "two hundred sixty thousand, nine hundred ninety-nine".