243425433 has 8 divisors (see below), whose sum is σ = 324645408. Its totient is φ = 162244544.

The previous prime is 243425419. The next prime is 243425443. The reversal of 243425433 is 334524342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243425433 - 2⁵ = 243425401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243425433.

It is not an unprimeable number, because it can be changed into a prime (243425443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11185 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (40580676).

Almost surely, 2^243425433 is an apocalyptic number.

It is an amenable number.

243425433 is a deficient number, since it is larger than the sum of its proper divisors (81219975).

243425433 is a wasteful number, since it uses less digits than its factorization.

243425433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19543.

The product of its digits is 34560, while the sum is 30.

The square root of 243425433 is about 15602.0970705864. The cubic root of 243425433 is about 624.3891059147.

Adding to 243425433 its reverse (334524342), we get a palindrome (577949775).

The spelling of 243425433 in words is "two hundred forty-three million, four hundred twenty-five thousand, four hundred thirty-three".