242405241 has 16 divisors (see below), whose sum is σ = 357478464. Its totient is φ = 145139904.

The previous prime is 242405221. The next prime is 242405291. The reversal of 242405241 is 142504242.

It is a happy number.

It is not a de Polignac number, because 242405241 - 2¹⁹ = 241880953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242405221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82551 + ... + 85436.

It is an arithmetic number, because the mean of its divisors is an integer number (22342404).

Almost surely, 2^242405241 is an apocalyptic number.

It is an amenable number.

242405241 is a deficient number, since it is larger than the sum of its proper divisors (115073223).

242405241 is a wasteful number, since it uses less digits than its factorization.

242405241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168040.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 242405241 is about 15569.3686769888. The cubic root of 242405241 is about 623.5156163459.

Adding to 242405241 its reverse (142504242), we get a palindrome (384909483).

Subtracting from 242405241 its reverse (142504242), we obtain a palindrome (99900999).

The spelling of 242405241 in words is "two hundred forty-two million, four hundred five thousand, two hundred forty-one".