3005030281 has 6 divisors (see below), whose sum is σ = 3303049946. Its totient is φ = 2731845600.

The previous prime is 3005030267. The next prime is 3005030299. The reversal of 3005030281 is 1820305003.

It can be written as a sum of positive squares in only one way, i.e., 2499500025 + 505530256 = 49995^2 + 22484^2 .

It is not a de Polignac number, because 3005030281 - 2⁷ = 3005030153 is a prime.

It is a super-2 number, since 2×3005030281² = 18060413979453877922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3005037281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12417360 + ... + 12417601.

Almost surely, 2^3005030281 is an apocalyptic number.

It is an amenable number.

3005030281 is a deficient number, since it is larger than the sum of its proper divisors (298019665).

3005030281 is a wasteful number, since it uses less digits than its factorization.

3005030281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24834983 (or 24834972 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3005030281 is about 54818.1564903454. The cubic root of 3005030281 is about 1443.0552224699.

Adding to 3005030281 its reverse (1820305003), we get a palindrome (4825335284).

The spelling of 3005030281 in words is "three billion, five million, thirty thousand, two hundred eighty-one".