509041072 has 10 divisors (see below), whose sum is σ = 986267108. Its totient is φ = 254520528.

The previous prime is 509041063. The next prime is 509041073. The reversal of 509041072 is 270140905.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 509041072.

It is not an unprimeable number, because it can be changed into a prime (509041073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15907518 + ... + 15907549.

Almost surely, 2^509041072 is an apocalyptic number.

It is an amenable number.

509041072 is a deficient number, since it is larger than the sum of its proper divisors (477226036).

509041072 is a wasteful number, since it uses less digits than its factorization.

509041072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31815075 (or 31815069 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 509041072 is about 22561.9385691921. The cubic root of 509041072 is about 798.4559133295.

Adding to 509041072 its reverse (270140905), we get a palindrome (779181977).

The spelling of 509041072 in words is "five hundred nine million, forty-one thousand, seventy-two".