432542209 has 12 divisors (see below), whose sum is σ = 496113408. Its totient is φ = 376121240.

The previous prime is 432542183. The next prime is 432542213. The reversal of 432542209 is 902245234.

It is not a de Polignac number, because 432542209 - 2¹³ = 432534017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432542309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74929 + ... + 80494.

It is an arithmetic number, because the mean of its divisors is an integer number (41342784).

Almost surely, 2^432542209 is an apocalyptic number.

It is an amenable number.

432542209 is a deficient number, since it is larger than the sum of its proper divisors (63571199).

432542209 is a wasteful number, since it uses less digits than its factorization.

432542209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155468 (or 155457 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 432542209 is about 20797.6491219561. The cubic root of 432542209 is about 756.2687664765.

The spelling of 432542209 in words is "four hundred thirty-two million, five hundred forty-two thousand, two hundred nine".