3030012521 has 2 divisors, whose sum is σ = 3030012522. Its totient is φ = 3030012520.

The previous prime is 3030012499. The next prime is 3030012553. The reversal of 3030012521 is 1252100303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1860714496 + 1169298025 = 43136^2 + 34195^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030012521 - 2⁶ = 3030012457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3030012521.

It is not a weakly prime, because it can be changed into another prime (3030011521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515006260 + 1515006261.

It is an arithmetic number, because the mean of its divisors is an integer number (1515006261).

Almost surely, 2^3030012521 is an apocalyptic number.

It is an amenable number.

3030012521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3030012521 is an equidigital number, since it uses as much as digits as its factorization.

3030012521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3030012521 is about 55045.5495112911. The cubic root of 3030012521 is about 1447.0431255392.

Adding to 3030012521 its reverse (1252100303), we get a palindrome (4282112824).

The spelling of 3030012521 in words is "three billion, thirty million, twelve thousand, five hundred twenty-one".