250105313 has 2 divisors, whose sum is σ = 250105314. Its totient is φ = 250105312.

The previous prime is 250105279. The next prime is 250105333. The reversal of 250105313 is 313501052.

It is an a-pointer prime, because the next prime (250105333) can be obtained adding 250105313 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244234384 + 5870929 = 15628^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 250105313 - 2⁶ = 250105249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250105333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125052656 + 125052657.

It is an arithmetic number, because the mean of its divisors is an integer number (125052657).

Almost surely, 2^250105313 is an apocalyptic number.

It is an amenable number.

250105313 is a deficient number, since it is larger than the sum of its proper divisors (1).

250105313 is an equidigital number, since it uses as much as digits as its factorization.

250105313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 250105313 is about 15814.7182396652. The cubic root of 250105313 is about 630.0489699064.

Adding to 250105313 its reverse (313501052), we get a palindrome (563606365).

The spelling of 250105313 in words is "two hundred fifty million, one hundred five thousand, three hundred thirteen".