509316127 has 2 divisors, whose sum is σ = 509316128. Its totient is φ = 509316126.

The previous prime is 509316113. The next prime is 509316161. The reversal of 509316127 is 721613905.

It is an a-pointer prime, because the next prime (509316161) can be obtained adding 509316127 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 509316127 - 2²³ = 500927519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 509316092 and 509316101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509316187) 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, 254658063 + 254658064.

It is an arithmetic number, because the mean of its divisors is an integer number (254658064).

Almost surely, 2^509316127 is an apocalyptic number.

509316127 is a deficient number, since it is larger than the sum of its proper divisors (1).

509316127 is an equidigital number, since it uses as much as digits as its factorization.

509316127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 509316127 is about 22568.0332993374. The cubic root of 509316127 is about 798.5996998586.

The spelling of 509316127 in words is "five hundred nine million, three hundred sixteen thousand, one hundred twenty-seven".