3004235021 has 2 divisors, whose sum is σ = 3004235022. Its totient is φ = 3004235020.

The previous prime is 3004234993. The next prime is 3004235023. The reversal of 3004235021 is 1205324003.

It is a happy number.

3004235021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2906719396 + 97515625 = 53914^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3004235021 - 2⁶ = 3004234957 is a prime.

It is a super-3 number, since 3×3004235021³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 3004235023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3004234984 and 3004235002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3004235023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502117510 + 1502117511.

It is an arithmetic number, because the mean of its divisors is an integer number (1502117511).

Almost surely, 2^3004235021 is an apocalyptic number.

It is an amenable number.

3004235021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3004235021 is an equidigital number, since it uses as much as digits as its factorization.

3004235021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3004235021 is about 54810.9023917687. The cubic root of 3004235021 is about 1442.9279131210.

Adding to 3004235021 its reverse (1205324003), we get a palindrome (4209559024).

The spelling of 3004235021 in words is "three billion, four million, two hundred thirty-five thousand, twenty-one".