250678313 has 2 divisors, whose sum is σ = 250678314. Its totient is φ = 250678312.

The previous prime is 250678273. The next prime is 250678321. The reversal of 250678313 is 313876052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246238864 + 4439449 = 15692^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 250678313 - 2¹⁰ = 250677289 is a prime.

It is not a weakly prime, because it can be changed into another prime (250648313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125339156 + 125339157.

It is an arithmetic number, because the mean of its divisors is an integer number (125339157).

Almost surely, 2^250678313 is an apocalyptic number.

It is an amenable number.

250678313 is a deficient number, since it is larger than the sum of its proper divisors (1).

250678313 is an equidigital number, since it uses as much as digits as its factorization.

250678313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 250678313 is about 15832.8239111032. The cubic root of 250678313 is about 630.5297576516.

The spelling of 250678313 in words is "two hundred fifty million, six hundred seventy-eight thousand, three hundred thirteen".