300242021 has 2 divisors, whose sum is σ = 300242022. Its totient is φ = 300242020.

The previous prime is 300242011. The next prime is 300242027. The reversal of 300242021 is 120242003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279892900 + 20349121 = 16730^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 300242021 - 2¹⁴ = 300225637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300241987 and 300242005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300242027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150121010 + 150121011.

It is an arithmetic number, because the mean of its divisors is an integer number (150121011).

Almost surely, 2^300242021 is an apocalyptic number.

It is an amenable number.

300242021 is a deficient number, since it is larger than the sum of its proper divisors (1).

300242021 is an equidigital number, since it uses as much as digits as its factorization.

300242021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 300242021 is about 17327.4932116564. The cubic root of 300242021 is about 669.6129203969.

Adding to 300242021 its reverse (120242003), we get a palindrome (420484024).

The spelling of 300242021 in words is "three hundred million, two hundred forty-two thousand, twenty-one".