300418421 has 2 divisors, whose sum is σ = 300418422. Its totient is φ = 300418420.

The previous prime is 300418399. The next prime is 300418463. The reversal of 300418421 is 124814003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 137217796 = 12775^2 + 11714^2 .

It is an emirp because it is prime and its reverse (124814003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300418421 is a prime.

It is a super-2 number, since 2×300418421² = 180502455352266482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300418721) 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, 150209210 + 150209211.

It is an arithmetic number, because the mean of its divisors is an integer number (150209211).

Almost surely, 2^300418421 is an apocalyptic number.

It is an amenable number.

300418421 is a deficient number, since it is larger than the sum of its proper divisors (1).

300418421 is an equidigital number, since it uses as much as digits as its factorization.

300418421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 300418421 is about 17332.5826407953. The cubic root of 300418421 is about 669.7440330611.

The spelling of 300418421 in words is "three hundred million, four hundred eighteen thousand, four hundred twenty-one".