304240241 has 4 divisors (see below), whose sum is σ = 305397312. Its totient is φ = 303083172.

The previous prime is 304240219. The next prime is 304240249. The reversal of 304240241 is 142042403.

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 a de Polignac number, because none of the positive numbers 2^k-304240241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304240249) 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, 578141 + ... + 578666.

It is an arithmetic number, because the mean of its divisors is an integer number (76349328).

Almost surely, 2^304240241 is an apocalyptic number.

It is an amenable number.

304240241 is a deficient number, since it is larger than the sum of its proper divisors (1157071).

304240241 is a wasteful number, since it uses less digits than its factorization.

304240241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157070.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 304240241 is about 17442.4837967533. The cubic root of 304240241 is about 672.5721584793.

Adding to 304240241 its reverse (142042403), we get a palindrome (446282644).

The spelling of 304240241 in words is "three hundred four million, two hundred forty thousand, two hundred forty-one".