512955509 has 16 divisors (see below), whose sum is σ = 591217920. Its totient is φ = 440650560.

The previous prime is 512955479. The next prime is 512955511. The reversal of 512955509 is 905559215.

It is a cyclic number.

It is not a de Polignac number, because 512955509 - 2²⁸ = 244520053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512955529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114 + ... + 32099.

It is an arithmetic number, because the mean of its divisors is an integer number (36951120).

Almost surely, 2^512955509 is an apocalyptic number.

It is an amenable number.

512955509 is a deficient number, since it is larger than the sum of its proper divisors (78262411).

512955509 is a wasteful number, since it uses less digits than its factorization.

512955509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34300.

The product of its (nonzero) digits is 101250, while the sum is 41.

The square root of 512955509 is about 22648.5211216980. The cubic root of 512955509 is about 800.4973516751.

The spelling of 512955509 in words is "five hundred twelve million, nine hundred fifty-five thousand, five hundred nine".