305343427 has 2 divisors, whose sum is σ = 305343428. Its totient is φ = 305343426.

The previous prime is 305343421. The next prime is 305343431. The reversal of 305343427 is 724343503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 305343427 - 2⁷ = 305343299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (305343421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152671713 + 152671714.

It is an arithmetic number, because the mean of its divisors is an integer number (152671714).

Almost surely, 2^305343427 is an apocalyptic number.

305343427 is a deficient number, since it is larger than the sum of its proper divisors (1).

305343427 is an equidigital number, since it uses as much as digits as its factorization.

305343427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 305343427 is about 17474.0787167736. The cubic root of 305343427 is about 673.3841014613.

The spelling of 305343427 in words is "three hundred five million, three hundred forty-three thousand, four hundred twenty-seven".