1768313 has 2 divisors, whose sum is σ = 1768314. Its totient is φ = 1768312.

The previous prime is 1768303. The next prime is 1768321. The reversal of 1768313 is 3138671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 238144 = 1237^2 + 488^2 .

It is an emirp because it is prime and its reverse (3138671) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1768313 - 2⁸ = 1768057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1768303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 884156 + 884157.

It is an arithmetic number, because the mean of its divisors is an integer number (884157).

2^1768313 is an apocalyptic number.

It is an amenable number.

1768313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768313 is an equidigital number, since it uses as much as digits as its factorization.

1768313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 1768313 is about 1329.7793049976. The cubic root of 1768313 is about 120.9260071717.

The spelling of 1768313 in words is "one million, seven hundred sixty-eight thousand, three hundred thirteen".