511009 has 8 divisors (see below), whose sum is σ = 538560. Its totient is φ = 484176.

The previous prime is 511001. The next prime is 511013. The reversal of 511009 is 900115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 511009 - 2³ = 511001 is a prime.

It is a super-2 number, since 2×511009² = 522260396162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 510983 and 511001.

It is not an unprimeable number, because it can be changed into a prime (511001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (67320).

2⁵¹¹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

511009 is a deficient number, since it is larger than the sum of its proper divisors (27551).

511009 is a wasteful number, since it uses less digits than its factorization.

511009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 511009 is about 714.8489350905. The cubic root of 511009 is about 79.9483520800.

The spelling of 511009 in words is "five hundred eleven thousand, nine".