530909 has 8 divisors (see below), whose sum is σ = 568512. Its totient is φ = 494560.

The previous prime is 530897. The next prime is 530911. The reversal of 530909 is 909035.

530909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 530909 - 2⁸ = 530653 is a prime.

It is a Duffinian number.

530909 is a modest number, since divided by 909 gives 53 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530969) 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, 662 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (71064).

2⁵³⁰⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

530909 is a deficient number, since it is larger than the sum of its proper divisors (37603).

530909 is a wasteful number, since it uses less digits than its factorization.

530909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 530909 is about 728.6350252355. The cubic root of 530909 is about 80.9729625759.

The spelling of 530909 in words is "five hundred thirty thousand, nine hundred nine".