300240989 has 2 divisors, whose sum is σ = 300240990. Its totient is φ = 300240988.

The previous prime is 300240979. The next prime is 300241033. The reversal of 300240989 is 989042003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229764964 + 70476025 = 15158^2 + 8395^2 .

It is an emirp because it is prime and its reverse (989042003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 300240989 - 2²⁴ = 283463773 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 (300240949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150120494 + 150120495.

It is an arithmetic number, because the mean of its divisors is an integer number (150120495).

Almost surely, 2^300240989 is an apocalyptic number.

It is an amenable number.

300240989 is a deficient number, since it is larger than the sum of its proper divisors (1).

300240989 is an equidigital number, since it uses as much as digits as its factorization.

300240989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 300240989 is about 17327.4634323666. The cubic root of 300240989 is about 669.6121531921.

The spelling of 300240989 in words is "three hundred million, two hundred forty thousand, nine hundred eighty-nine".