259829 has 2 divisors, whose sum is σ = 259830. Its totient is φ = 259828.

The previous prime is 259823. The next prime is 259837. The reversal of 259829 is 928952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223729 + 36100 = 473^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 259829 - 2⁴ = 259813 is a prime.

It is a super-2 number, since 2×259829² = 135022218482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129914 + 129915.

It is an arithmetic number, because the mean of its divisors is an integer number (129915).

2²⁵⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

259829 is a deficient number, since it is larger than the sum of its proper divisors (1).

259829 is an equidigital number, since it uses as much as digits as its factorization.

259829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 259829 is about 509.7342444843. The cubic root of 259829 is about 63.8110475066.

The spelling of 259829 in words is "two hundred fifty-nine thousand, eight hundred twenty-nine".