250768361 has 2 divisors, whose sum is σ = 250768362. Its totient is φ = 250768360.

The previous prime is 250768291. The next prime is 250768363. The reversal of 250768361 is 163867052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235315600 + 15452761 = 15340^2 + 3931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250768361 is a prime.

Together with 250768363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (250768363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125384180 + 125384181.

It is an arithmetic number, because the mean of its divisors is an integer number (125384181).

Almost surely, 2^250768361 is an apocalyptic number.

It is an amenable number.

250768361 is a deficient number, since it is larger than the sum of its proper divisors (1).

250768361 is an equidigital number, since it uses as much as digits as its factorization.

250768361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 250768361 is about 15835.6673683176. The cubic root of 250768361 is about 630.6052476900.

The spelling of 250768361 in words is "two hundred fifty million, seven hundred sixty-eight thousand, three hundred sixty-one".