304147097 has 2 divisors, whose sum is σ = 304147098. Its totient is φ = 304147096.

The previous prime is 304147027. The next prime is 304147111. The reversal of 304147097 is 790741403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154231561 + 149915536 = 12419^2 + 12244^2 .

It is a cyclic number.

It is not a de Polignac number, because 304147097 - 2⁸ = 304146841 is a prime.

It is a super-2 number, since 2×304147097² = 185010913227054818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304147007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152073548 + 152073549.

It is an arithmetic number, because the mean of its divisors is an integer number (152073549).

Almost surely, 2^304147097 is an apocalyptic number.

It is an amenable number.

304147097 is a deficient number, since it is larger than the sum of its proper divisors (1).

304147097 is an equidigital number, since it uses as much as digits as its factorization.

304147097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 304147097 is about 17439.8135597833. The cubic root of 304147097 is about 672.5035148584.

The spelling of 304147097 in words is "three hundred four million, one hundred forty-seven thousand, ninety-seven".