509375303 has 2 divisors, whose sum is σ = 509375304. Its totient is φ = 509375302.

The previous prime is 509375299. The next prime is 509375309. The reversal of 509375303 is 303573905.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509375303 - 2² = 509375299 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509375309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254687651 + 254687652.

It is an arithmetic number, because the mean of its divisors is an integer number (254687652).

Almost surely, 2^509375303 is an apocalyptic number.

509375303 is a deficient number, since it is larger than the sum of its proper divisors (1).

509375303 is an equidigital number, since it uses as much as digits as its factorization.

509375303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 35.

The square root of 509375303 is about 22569.3443192309. The cubic root of 509375303 is about 798.6306276742.

The spelling of 509375303 in words is "five hundred nine million, three hundred seventy-five thousand, three hundred three".