509135050 has 24 divisors (see below), whose sum is σ = 969018336. Its totient is φ = 198917040.

The previous prime is 509134993. The next prime is 509135051. The reversal of 509135050 is 50531905.

It is not an unprimeable number, because it can be changed into a prime (509135051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116254 + ... + 120553.

It is an arithmetic number, because the mean of its divisors is an integer number (40375764).

Almost surely, 2^509135050 is an apocalyptic number.

509135050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

509135050 is a deficient number, since it is larger than the sum of its proper divisors (459883286).

509135050 is a wasteful number, since it uses less digits than its factorization.

509135050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236862 (or 236857 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 509135050 is about 22564.0211398589. The cubic root of 509135050 is about 798.5050466750.

Adding to 509135050 its reverse (50531905), we get a palindrome (559666955).

The spelling of 509135050 in words is "five hundred nine million, one hundred thirty-five thousand, fifty".