575409 has 4 divisors (see below), whose sum is σ = 767216. Its totient is φ = 383604.

The previous prime is 575401. The next prime is 575417. The reversal of 575409 is 904575.

575409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (575401) and next prime (575417).

It is not a de Polignac number, because 575409 - 2³ = 575401 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95899 + ... + 95904.

It is an arithmetic number, because the mean of its divisors is an integer number (191804).

2⁵⁷⁵⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

575409 is a deficient number, since it is larger than the sum of its proper divisors (191807).

575409 is a wasteful number, since it uses less digits than its factorization.

575409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191806.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 575409 is about 758.5571830785. The cubic root of 575409 is about 83.1748864816.

The spelling of 575409 in words is "five hundred seventy-five thousand, four hundred nine".