304081 has 2 divisors, whose sum is σ = 304082. Its totient is φ = 304080.

The previous prime is 304069. The next prime is 304091. The reversal of 304081 is 180403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 7056 = 545^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 304081 - 2⁵ = 304049 is a prime.

It is a super-2 number, since 2×304081² = 184930509122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152040 + 152041.

It is an arithmetic number, because the mean of its divisors is an integer number (152041).

2³⁰⁴⁰⁸¹ is an apocalyptic number.

It is an amenable number.

304081 is a deficient number, since it is larger than the sum of its proper divisors (1).

304081 is an equidigital number, since it uses as much as digits as its factorization.

304081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 304081 is about 551.4353996616. The cubic root of 304081 is about 67.2454795357.

Adding to 304081 its reverse (180403), we get a palindrome (484484).

The spelling of 304081 in words is "three hundred four thousand, eighty-one".