302001281 has 2 divisors, whose sum is σ = 302001282. Its totient is φ = 302001280.

The previous prime is 302001263. The next prime is 302001299. The reversal of 302001281 is 182100203.

It is a balanced prime because it is at equal distance from previous prime (302001263) and next prime (302001299).

It can be written as a sum of positive squares in only one way, i.e., 295324225 + 6677056 = 17185^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 302001281 - 2¹⁴ = 301984897 is a prime.

It is a super-2 number, since 2×302001281² = 182409547451281922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (302001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151000640 + 151000641.

It is an arithmetic number, because the mean of its divisors is an integer number (151000641).

Almost surely, 2^302001281 is an apocalyptic number.

It is an amenable number.

302001281 is a deficient number, since it is larger than the sum of its proper divisors (1).

302001281 is an equidigital number, since it uses as much as digits as its factorization.

302001281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 302001281 is about 17378.1840535771. The cubic root of 302001281 is about 670.9182338216.

Adding to 302001281 its reverse (182100203), we get a palindrome (484101484).

The spelling of 302001281 in words is "three hundred two million, one thousand, two hundred eighty-one".