242401241 has 4 divisors (see below), whose sum is σ = 242722212. Its totient is φ = 242080272.

The previous prime is 242401219. The next prime is 242401253. The reversal of 242401241 is 142104242.

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 57441241 + 184960000 = 7579^2 + 13600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242401241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242401261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159350 + ... + 160863.

It is an arithmetic number, because the mean of its divisors is an integer number (60680553).

Almost surely, 2^242401241 is an apocalyptic number.

It is an amenable number.

242401241 is a deficient number, since it is larger than the sum of its proper divisors (320971).

242401241 is an equidigital number, since it uses as much as digits as its factorization.

242401241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320970.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 242401241 is about 15569.2402190987. The cubic root of 242401241 is about 623.5121867223.

Adding to 242401241 its reverse (142104242), we get a palindrome (384505483).

The spelling of 242401241 in words is "two hundred forty-two million, four hundred one thousand, two hundred forty-one".