304320241 has 4 divisors (see below), whose sum is σ = 305182692. Its totient is φ = 303457792.

The previous prime is 304320239. The next prime is 304320251. The reversal of 304320241 is 142023403.

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 37161216 + 267159025 = 6096^2 + 16345^2 .

It is a cyclic number.

It is not a de Polignac number, because 304320241 - 2¹ = 304320239 is a prime.

It is a super-2 number, since 2×304320241² = 185221618164596162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304320251) 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, 430696 + ... + 431401.

It is an arithmetic number, because the mean of its divisors is an integer number (76295673).

Almost surely, 2^304320241 is an apocalyptic number.

It is an amenable number.

304320241 is a deficient number, since it is larger than the sum of its proper divisors (862451).

304320241 is an equidigital number, since it uses as much as digits as its factorization.

304320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862450.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 304320241 is about 17444.7768973983. The cubic root of 304320241 is about 672.6311042838.

Adding to 304320241 its reverse (142023403), we get a palindrome (446343644).

The spelling of 304320241 in words is "three hundred four million, three hundred twenty thousand, two hundred forty-one".