242434405 has 4 divisors (see below), whose sum is σ = 290921292. Its totient is φ = 193947520.

The previous prime is 242434393. The next prime is 242434417. The reversal of 242434405 is 504434242.

242434405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (242434393) and next prime (242434417).

It can be written as a sum of positive squares in 2 ways, for example, as 36397089 + 206037316 = 6033^2 + 14354^2 .

It is not a de Polignac number, because 242434405 - 2⁵ = 242434373 is a prime.

It is a Duffinian number.

It is a congruent 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, 24243436 + ... + 24243445.

It is an arithmetic number, because the mean of its divisors is an integer number (72730323).

Almost surely, 2^242434405 is an apocalyptic number.

It is an amenable number.

242434405 is a deficient number, since it is larger than the sum of its proper divisors (48486887).

242434405 is an equidigital number, since it uses as much as digits as its factorization.

242434405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48486886.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 242434405 is about 15570.3052314333. The cubic root of 242434405 is about 623.5406205911.

Adding to 242434405 its reverse (504434242), we get a palindrome (746868647).

The spelling of 242434405 in words is "two hundred forty-two million, four hundred thirty-four thousand, four hundred five".