509252803 has 2 divisors, whose sum is σ = 509252804. Its totient is φ = 509252802.

The previous prime is 509252753. The next prime is 509252819. The reversal of 509252803 is 308252905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 509252803 - 2²¹ = 507155651 is a prime.

It is not a weakly prime, because it can be changed into another prime (509252603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254626401 + 254626402.

It is an arithmetic number, because the mean of its divisors is an integer number (254626402).

Almost surely, 2^509252803 is an apocalyptic number.

509252803 is a deficient number, since it is larger than the sum of its proper divisors (1).

509252803 is an equidigital number, since it uses as much as digits as its factorization.

509252803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 509252803 is about 22566.6302978535. The cubic root of 509252803 is about 798.5666014739.

The spelling of 509252803 in words is "five hundred nine million, two hundred fifty-two thousand, eight hundred three".