242310409 has 4 divisors (see below), whose sum is σ = 264338640. Its totient is φ = 220282180.

The previous prime is 242310407. The next prime is 242310437. The reversal of 242310409 is 904013242.

242310409 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242310409 - 2¹ = 242310407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242310403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11014099 + ... + 11014120.

It is an arithmetic number, because the mean of its divisors is an integer number (66084660).

Almost surely, 2^242310409 is an apocalyptic number.

It is an amenable number.

242310409 is a deficient number, since it is larger than the sum of its proper divisors (22028231).

242310409 is a wasteful number, since it uses less digits than its factorization.

242310409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028230.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 242310409 is about 15566.3229119789. The cubic root of 242310409 is about 623.4342966722.

The spelling of 242310409 in words is "two hundred forty-two million, three hundred ten thousand, four hundred nine".