250317049 has 2 divisors, whose sum is σ = 250317050. Its totient is φ = 250317048.

The previous prime is 250317047. The next prime is 250317059. The reversal of 250317049 is 940713052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221801449 + 28515600 = 14893^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 250317049 - 2¹ = 250317047 is a prime.

Together with 250317047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 250317049.

It is not a weakly prime, because it can be changed into another prime (250317047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125158524 + 125158525.

It is an arithmetic number, because the mean of its divisors is an integer number (125158525).

Almost surely, 2^250317049 is an apocalyptic number.

It is an amenable number.

250317049 is a deficient number, since it is larger than the sum of its proper divisors (1).

250317049 is an equidigital number, since it uses as much as digits as its factorization.

250317049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 250317049 is about 15821.4110938310. The cubic root of 250317049 is about 630.2267169239.

The spelling of 250317049 in words is "two hundred fifty million, three hundred seventeen thousand, forty-nine".