259259029 has 2 divisors, whose sum is σ = 259259030. Its totient is φ = 259259028.

The previous prime is 259258919. The next prime is 259259041. The reversal of 259259029 is 920952952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245642929 + 13616100 = 15673^2 + 3690^2 .

It is a cyclic number.

It is not a de Polignac number, because 259259029 - 2¹³ = 259250837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259259069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129629514 + 129629515.

It is an arithmetic number, because the mean of its divisors is an integer number (129629515).

Almost surely, 2^259259029 is an apocalyptic number.

It is an amenable number.

259259029 is a deficient number, since it is larger than the sum of its proper divisors (1).

259259029 is an equidigital number, since it uses as much as digits as its factorization.

259259029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 259259029 is about 16101.5225677574. The cubic root of 259259029 is about 637.6435388178.

The spelling of 259259029 in words is "two hundred fifty-nine million, two hundred fifty-nine thousand, twenty-nine".