300490919 has 2 divisors, whose sum is σ = 300490920. Its totient is φ = 300490918.

The previous prime is 300490907. The next prime is 300490921. The reversal of 300490919 is 919094003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300490919 is a prime.

It is a super-2 number, since 2×300490919² = 180589584802929122, which contains 22 as substring.

Together with 300490921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300490979) 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, 150245459 + 150245460.

It is an arithmetic number, because the mean of its divisors is an integer number (150245460).

Almost surely, 2^300490919 is an apocalyptic number.

300490919 is a deficient number, since it is larger than the sum of its proper divisors (1).

300490919 is an equidigital number, since it uses as much as digits as its factorization.

300490919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 300490919 is about 17334.6738936733. The cubic root of 300490919 is about 669.7979037009.

The spelling of 300490919 in words is "three hundred million, four hundred ninety thousand, nine hundred nineteen".