509352568 has 16 divisors (see below), whose sum is σ = 985844160. Its totient is φ = 246460800.

The previous prime is 509352541. The next prime is 509352577. The reversal of 509352568 is 865253905.

It is a super-4 number, since 4×509352568⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026673 + ... + 1027168.

It is an arithmetic number, because the mean of its divisors is an integer number (61615260).

Almost surely, 2^509352568 is an apocalyptic number.

It is an amenable number.

509352568 is a deficient number, since it is larger than the sum of its proper divisors (476491592).

509352568 is a wasteful number, since it uses less digits than its factorization.

509352568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053878 (or 2053874 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The square root of 509352568 is about 22568.8406436839. The cubic root of 509352568 is about 798.6187457099.

The spelling of 509352568 in words is "five hundred nine million, three hundred fifty-two thousand, five hundred sixty-eight".