432521465 has 4 divisors (see below), whose sum is σ = 519025764. Its totient is φ = 346017168.

The previous prime is 432521449. The next prime is 432521473. The reversal of 432521465 is 564125234.

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 113827561 + 318693904 = 10669^2 + 17852^2 .

It is a cyclic number.

It is not a de Polignac number, because 432521465 - 2⁴ = 432521449 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 43252142 + ... + 43252151.

It is an arithmetic number, because the mean of its divisors is an integer number (129756441).

Almost surely, 2^432521465 is an apocalyptic number.

It is an amenable number.

432521465 is a deficient number, since it is larger than the sum of its proper divisors (86504299).

432521465 is an equidigital number, since it uses as much as digits as its factorization.

432521465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86504298.

The product of its digits is 28800, while the sum is 32.

The square root of 432521465 is about 20797.1504057647. The cubic root of 432521465 is about 756.2566764887.

Adding to 432521465 its reverse (564125234), we get a palindrome (996646699).

The spelling of 432521465 in words is "four hundred thirty-two million, five hundred twenty-one thousand, four hundred sixty-five".