395303 has 2 divisors, whose sum is σ = 395304. Its totient is φ = 395302.

The previous prime is 395293. The next prime is 395309. The reversal of 395303 is 303593.

Added to its reverse (303593) it gives a square (698896 = 836²).

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (303593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 395303 - 2⁴ = 395287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197651 + 197652.

It is an arithmetic number, because the mean of its divisors is an integer number (197652).

2³⁹⁵³⁰³ is an apocalyptic number.

395303 is a deficient number, since it is larger than the sum of its proper divisors (1).

395303 is an equidigital number, since it uses as much as digits as its factorization.

395303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 23.

The square root of 395303 is about 628.7312621462. The cubic root of 395303 is about 73.3910954459.

Adding to 395303 its reverse (303593), we get a palindrome (698896).

The spelling of 395303 in words is "three hundred ninety-five thousand, three hundred three".