432455561 has 4 divisors (see below), whose sum is σ = 455216400. Its totient is φ = 409694724.

The previous prime is 432455557. The next prime is 432455563. The reversal of 432455561 is 165554234.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165554234 = 2 ⋅82777117.

It is a cyclic number.

It is not a de Polignac number, because 432455561 - 2² = 432455557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (432455563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11380391 + ... + 11380428.

It is an arithmetic number, because the mean of its divisors is an integer number (113804100).

Almost surely, 2^432455561 is an apocalyptic number.

It is an amenable number.

432455561 is a deficient number, since it is larger than the sum of its proper divisors (22760839).

432455561 is a wasteful number, since it uses less digits than its factorization.

432455561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22760838.

The product of its digits is 72000, while the sum is 35.

The square root of 432455561 is about 20795.5658975658. The cubic root of 432455561 is about 756.2182638505.

The spelling of 432455561 in words is "four hundred thirty-two million, four hundred fifty-five thousand, five hundred sixty-one".