300213989 has 2 divisors, whose sum is σ = 300213990. Its totient is φ = 300213988.

The previous prime is 300213961. The next prime is 300214039. The reversal of 300213989 is 989312003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280562500 + 19651489 = 16750^2 + 4433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300213989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300213929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150106994 + 150106995.

It is an arithmetic number, because the mean of its divisors is an integer number (150106995).

Almost surely, 2^300213989 is an apocalyptic number.

It is an amenable number.

300213989 is a deficient number, since it is larger than the sum of its proper divisors (1).

300213989 is an equidigital number, since it uses as much as digits as its factorization.

300213989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 300213989 is about 17326.6843048519. The cubic root of 300213989 is about 669.5920803498.

The spelling of 300213989 in words is "three hundred million, two hundred thirteen thousand, nine hundred eighty-nine".