509227 has 2 divisors, whose sum is σ = 509228. Its totient is φ = 509226.

The previous prime is 509221. The next prime is 509239. The reversal of 509227 is 722905.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509227 is a prime.

It is not a weakly prime, because it can be changed into another prime (509221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254613 + 254614.

It is an arithmetic number, because the mean of its divisors is an integer number (254614).

2⁵⁰⁹²²⁷ is an apocalyptic number.

509227 is a deficient number, since it is larger than the sum of its proper divisors (1).

509227 is an equidigital number, since it uses as much as digits as its factorization.

509227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 509227 is about 713.6014293708. The cubic root of 509227 is about 79.8553113895.

The spelling of 509227 in words is "five hundred nine thousand, two hundred twenty-seven".