242530505 has 8 divisors (see below), whose sum is σ = 332613312. Its totient is φ = 166306608.

The previous prime is 242530489. The next prime is 242530513. The reversal of 242530505 is 505035242.

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 242530505 - 2⁴ = 242530489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3464687 + ... + 3464756.

It is an arithmetic number, because the mean of its divisors is an integer number (41576664).

Almost surely, 2^242530505 is an apocalyptic number.

It is an amenable number.

242530505 is a deficient number, since it is larger than the sum of its proper divisors (90082807).

242530505 is an equidigital number, since it uses as much as digits as its factorization.

242530505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929455.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 242530505 is about 15573.3909281184. The cubic root of 242530505 is about 623.6229993521.

Adding to 242530505 its reverse (505035242), we get a palindrome (747565747).

The spelling of 242530505 in words is "two hundred forty-two million, five hundred thirty thousand, five hundred five".