259378159 has 2 divisors, whose sum is σ = 259378160. Its totient is φ = 259378158.

The previous prime is 259378121. The next prime is 259378241. The reversal of 259378159 is 951873952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259378159 - 2¹¹ = 259376111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259378109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129689079 + 129689080.

It is an arithmetic number, because the mean of its divisors is an integer number (129689080).

Almost surely, 2^259378159 is an apocalyptic number.

259378159 is a deficient number, since it is larger than the sum of its proper divisors (1).

259378159 is an equidigital number, since it uses as much as digits as its factorization.

259378159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 49.

The square root of 259378159 is about 16105.2214824882. The cubic root of 259378159 is about 637.7411899881.

The spelling of 259378159 in words is "two hundred fifty-nine million, three hundred seventy-eight thousand, one hundred fifty-nine".