259397 has 2 divisors, whose sum is σ = 259398. Its totient is φ = 259396.

The previous prime is 259387. The next prime is 259411. The reversal of 259397 is 793952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 98596 = 401^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 259397 - 2⁴ = 259381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259387) 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, 129698 + 129699.

It is an arithmetic number, because the mean of its divisors is an integer number (129699).

2²⁵⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

259397 is a deficient number, since it is larger than the sum of its proper divisors (1).

259397 is an equidigital number, since it uses as much as digits as its factorization.

259397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 35.

The square root of 259397 is about 509.3103179791. The cubic root of 259397 is about 63.7756631266.

It can be divided in two parts, 259 and 397, that added together give a palindrome (656).

The spelling of 259397 in words is "two hundred fifty-nine thousand, three hundred ninety-seven".