432545 has 4 divisors (see below), whose sum is σ = 519060. Its totient is φ = 346032.

The previous prime is 432539. The next prime is 432557. The reversal of 432545 is 545234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 305809 = 356^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 432545 - 2¹⁰ = 431521 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 432545.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 432545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43250 + ... + 43259.

It is an arithmetic number, because the mean of its divisors is an integer number (129765).

2⁴³²⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

432545 is a deficient number, since it is larger than the sum of its proper divisors (86515).

432545 is an equidigital number, since it uses as much as digits as its factorization.

432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86514.

The product of its digits is 2400, while the sum is 23.

The square root of 432545 is about 657.6815338749. The cubic root of 432545 is about 75.6270393093.

Adding to 432545 its reverse (545234), we get a palindrome (977779).

The spelling of 432545 in words is "four hundred thirty-two thousand, five hundred forty-five".