259429 has 2 divisors, whose sum is σ = 259430. Its totient is φ = 259428.
The previous prime is 259421. The next prime is 259451. The reversal of 259429 is 924952.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 184900 + 74529 = 430^2 + 273^2 .
It is a cyclic number.
It is not a de Polignac number, because 259429 - 23 = 259421 is a prime.
It is a Chen prime.
It is a nialpdrome in base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 259429.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (259421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129714 + 129715.
It is an arithmetic number, because the mean of its divisors is an integer number (129715).
2259429 is an apocalyptic number.
It is an amenable number.
259429 is a deficient number, since it is larger than the sum of its proper divisors (1).
259429 is an equidigital number, since it uses as much as digits as its factorization.
259429 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6480, while the sum is 31.
The square root of 259429 is about 509.3417320424. The cubic root of 259429 is about 63.7782855385.
It can be divided in two parts, 259 and 429, that multiplied together give a palindrome (111111).
The spelling of 259429 in words is "two hundred fifty-nine thousand, four hundred twenty-nine".
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