242342461 has 4 divisors (see below), whose sum is σ = 245065500. Its totient is φ = 239619424.

The previous prime is 242342393. The next prime is 242342479. The reversal of 242342461 is 164243242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 138180025 + 104162436 = 11755^2 + 10206^2 .

It is a cyclic number.

It is not a de Polignac number, because 242342461 - 2¹⁹ = 241818173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242342561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361386 + ... + 1361563.

It is an arithmetic number, because the mean of its divisors is an integer number (61266375).

Almost surely, 2^242342461 is an apocalyptic number.

It is an amenable number.

242342461 is a deficient number, since it is larger than the sum of its proper divisors (2723039).

242342461 is an equidigital number, since it uses as much as digits as its factorization.

242342461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723038.

The product of its digits is 9216, while the sum is 28.

The square root of 242342461 is about 15567.3524081650. The cubic root of 242342461 is about 623.4617840525.

The spelling of 242342461 in words is "two hundred forty-two million, three hundred forty-two thousand, four hundred sixty-one".