304085084981 has 2 divisors, whose sum is σ = 304085084982. Its totient is φ = 304085084980.

The previous prime is 304085084917. The next prime is 304085084999. The reversal of 304085084981 is 189480580403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290364711025 + 13720373956 = 538855^2 + 117134^2 .

It is a cyclic number.

It is not a de Polignac number, because 304085084981 - 2⁶ = 304085084917 is a prime.

It is a super-2 number, since 2×304085084981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304085074981) 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 as a sum of consecutive naturals, namely, 152042542490 + 152042542491.

It is an arithmetic number, because the mean of its divisors is an integer number (152042542491).

Almost surely, 2^304085084981 is an apocalyptic number.

It is an amenable number.

304085084981 is a deficient number, since it is larger than the sum of its proper divisors (1).

304085084981 is an equidigital number, since it uses as much as digits as its factorization.

304085084981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 304085084981 in words is "three hundred four billion, eighty-five million, eighty-four thousand, nine hundred eighty-one".