538303 has 2 divisors, whose sum is σ = 538304. Its totient is φ = 538302.

The previous prime is 538301. The next prime is 538309. The reversal of 538303 is 303835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538303 - 2¹ = 538301 is a prime.

Together with 538301, it forms a pair of twin primes.

538303 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269151 + 269152.

It is an arithmetic number, because the mean of its divisors is an integer number (269152).

2⁵³⁸³⁰³ is an apocalyptic number.

538303 is a deficient number, since it is larger than the sum of its proper divisors (1).

538303 is an equidigital number, since it uses as much as digits as its factorization.

538303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 538303 is about 733.6913520003. The cubic root of 538303 is about 81.3471358969.

It can be divided in two parts, 538 and 303, that added together give a square (841 = 29²).

The spelling of 538303 in words is "five hundred thirty-eight thousand, three hundred three".