259499 has 2 divisors, whose sum is σ = 259500. Its totient is φ = 259498.

The previous prime is 259459. The next prime is 259507. The reversal of 259499 is 994952.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259499 is a prime.

It is not a weakly prime, because it can be changed into another prime (259429) 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, 129749 + 129750.

It is an arithmetic number, because the mean of its divisors is an integer number (129750).

2²⁵⁹⁴⁹⁹ is an apocalyptic number.

259499 is a deficient number, since it is larger than the sum of its proper divisors (1).

259499 is an equidigital number, since it uses as much as digits as its factorization.

259499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 259499 is about 509.4104435522. The cubic root of 259499 is about 63.7840213127.

The spelling of 259499 in words is "two hundred fifty-nine thousand, four hundred ninety-nine".