530405 has 8 divisors (see below), whose sum is σ = 651552. Its totient is φ = 414288.

The previous prime is 530401. The next prime is 530429. The reversal of 530405 is 504035.

530405 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 530405 - 2² = 530401 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530401) 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, 1019 + ... + 1448.

It is an arithmetic number, because the mean of its divisors is an integer number (81444).

2⁵³⁰⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

530405 is a deficient number, since it is larger than the sum of its proper divisors (121147).

530405 is a wasteful number, since it uses less digits than its factorization.

530405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 530405 is about 728.2890909522. The cubic root of 530405 is about 80.9473315080.

The spelling of 530405 in words is "five hundred thirty thousand, four hundred five".