432643525 has 6 divisors (see below), whose sum is σ = 536478002. Its totient is φ = 346114800.

The previous prime is 432643513. The next prime is 432643529. The reversal of 432643525 is 525346234.

It can be written as a sum of positive squares in 3 ways, for example, as 4691556 + 427951969 = 2166^2 + 20687^2 .

It is not a de Polignac number, because 432643525 - 2¹⁵ = 432610757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432643529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8652846 + ... + 8652895.

Almost surely, 2^432643525 is an apocalyptic number.

It is an amenable number.

432643525 is a deficient number, since it is larger than the sum of its proper divisors (103834477).

432643525 is a wasteful number, since it uses less digits than its factorization.

432643525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305751 (or 17305746 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 432643525 is about 20800.0847354043. The cubic root of 432643525 is about 756.3278097660.

Adding to 432643525 its reverse (525346234), we get a palindrome (957989759).

The spelling of 432643525 in words is "four hundred thirty-two million, six hundred forty-three thousand, five hundred twenty-five".