249830159 has 2 divisors, whose sum is σ = 249830160. Its totient is φ = 249830158.

The previous prime is 249830149. The next prime is 249830167. The reversal of 249830159 is 951038942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249830159 - 2¹² = 249826063 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 (249830149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124915079 + 124915080.

It is an arithmetic number, because the mean of its divisors is an integer number (124915080).

Almost surely, 2^249830159 is an apocalyptic number.

249830159 is a deficient number, since it is larger than the sum of its proper divisors (1).

249830159 is an equidigital number, since it uses as much as digits as its factorization.

249830159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 249830159 is about 15806.0165443416. The cubic root of 249830159 is about 629.8178351291.

The spelling of 249830159 in words is "two hundred forty-nine million, eight hundred thirty thousand, one hundred fifty-nine".