263303 has 2 divisors, whose sum is σ = 263304.
Its totient is φ = 263302.
The previous prime is 263293. The next prime is 263323. The reversal of 263303 is 303362.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 263303 - 24 = 263287 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (263323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131651 + 131652.
It is an arithmetic number, because the mean of its divisors is an integer number (131652).
2263303 is an apocalyptic number.
263303 is a deficient number, since it is larger than the sum of its proper divisors (1).
263303 is an equidigital number, since it uses as much as digits as its factorization.
263303 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 263303 is about 513.1305876675.
The cubic root of 263303 is about 64.0941809988.
Adding to 263303 its reverse (303362), we get a palindrome (566665).
The spelling of 263303 in words is "two hundred sixty-three thousand, three hundred three".