304780901 has 2 divisors, whose sum is σ = 304780902. Its totient is φ = 304780900.

The previous prime is 304780873. The next prime is 304780997. The reversal of 304780901 is 109087403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268468225 + 36312676 = 16385^2 + 6026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304780901 is a prime.

It is a super-2 number, since 2×304780901² = 185782795228743602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304788901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152390450 + 152390451.

It is an arithmetic number, because the mean of its divisors is an integer number (152390451).

Almost surely, 2^304780901 is an apocalyptic number.

It is an amenable number.

304780901 is a deficient number, since it is larger than the sum of its proper divisors (1).

304780901 is an equidigital number, since it uses as much as digits as its factorization.

304780901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 304780901 is about 17457.9752835201. The cubic root of 304780901 is about 672.9703281106.

The spelling of 304780901 in words is "three hundred four million, seven hundred eighty thousand, nine hundred one".