259401349 has 2 divisors, whose sum is σ = 259401350. Its totient is φ = 259401348.

The previous prime is 259401323. The next prime is 259401379. The reversal of 259401349 is 943104952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219484225 + 39917124 = 14815^2 + 6318^2 .

It is a cyclic number.

It is not a de Polignac number, because 259401349 - 2⁹ = 259400837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259401379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129700674 + 129700675.

It is an arithmetic number, because the mean of its divisors is an integer number (129700675).

Almost surely, 2^259401349 is an apocalyptic number.

It is an amenable number.

259401349 is a deficient number, since it is larger than the sum of its proper divisors (1).

259401349 is an equidigital number, since it uses as much as digits as its factorization.

259401349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 259401349 is about 16105.9414192403. The cubic root of 259401349 is about 637.7601954145.

The spelling of 259401349 in words is "two hundred fifty-nine million, four hundred one thousand, three hundred forty-nine".