509031163 has 12 divisors (see below), whose sum is σ = 530630352. Its totient is φ = 488204640.

The previous prime is 509031161. The next prime is 509031169. The reversal of 509031163 is 361130905.

It is not a de Polignac number, because 509031163 - 2¹ = 509031161 is a prime.

It is a super-2 number, since 2×509031163² = 518225449810265138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509031161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94581 + ... + 99817.

It is an arithmetic number, because the mean of its divisors is an integer number (44219196).

Almost surely, 2^509031163 is an apocalyptic number.

509031163 is a deficient number, since it is larger than the sum of its proper divisors (21599189).

509031163 is an equidigital number, since it uses as much as digits as its factorization.

509031163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 509031163 is about 22561.7189726315. The cubic root of 509031163 is about 798.4507323782.

The spelling of 509031163 in words is "five hundred nine million, thirty-one thousand, one hundred sixty-three".