432505 has 4 divisors (see below), whose sum is σ = 519012. Its totient is φ = 346000.

The previous prime is 432503. The next prime is 432511. The reversal of 432505 is 505234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505234 = 2 ⋅252617.

It can be written as a sum of positive squares in 2 ways, for example, as 281961 + 150544 = 531^2 + 388^2 .

It is not a de Polignac number, because 432505 - 2¹ = 432503 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

432505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (432503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43246 + ... + 43255.

It is an arithmetic number, because the mean of its divisors is an integer number (129753).

2⁴³²⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

432505 is a deficient number, since it is larger than the sum of its proper divisors (86507).

432505 is an equidigital number, since it uses as much as digits as its factorization.

432505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86506.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 432505 is about 657.6511233169. The cubic root of 432505 is about 75.6247080106.

Adding to 432505 its reverse (505234), we get a palindrome (937739).

The spelling of 432505 in words is "four hundred thirty-two thousand, five hundred five".