250617313 has 2 divisors, whose sum is σ = 250617314. Its totient is φ = 250617312.

The previous prime is 250617271. The next prime is 250617331. The reversal of 250617313 is 313716052.

Together with next prime (250617331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157552704 + 93064609 = 12552^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 250617313 - 2⁹ = 250616801 is a prime.

It is not a weakly prime, because it can be changed into another prime (250617343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125308656 + 125308657.

It is an arithmetic number, because the mean of its divisors is an integer number (125308657).

Almost surely, 2^250617313 is an apocalyptic number.

It is an amenable number.

250617313 is a deficient number, since it is larger than the sum of its proper divisors (1).

250617313 is an equidigital number, since it uses as much as digits as its factorization.

250617313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 250617313 is about 15830.8974161290. The cubic root of 250617313 is about 630.4786091830.

The spelling of 250617313 in words is "two hundred fifty million, six hundred seventeen thousand, three hundred thirteen".