3000053521 has 2 divisors, whose sum is σ = 3000053522. Its totient is φ = 3000053520.

The previous prime is 3000053513. The next prime is 3000053527. The reversal of 3000053521 is 1253500003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2993293521 + 6760000 = 54711^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000053521 - 2³ = 3000053513 is a prime.

It is a super-2 number, since 2×3000053521² = 18000642257728994882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3000053527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500026760 + 1500026761.

It is an arithmetic number, because the mean of its divisors is an integer number (1500026761).

Almost surely, 2^3000053521 is an apocalyptic number.

It is an amenable number.

3000053521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000053521 is an equidigital number, since it uses as much as digits as its factorization.

3000053521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 3000053521 is about 54772.7443259875. The cubic root of 3000053521 is about 1442.2581469941.

Adding to 3000053521 its reverse (1253500003), we get a palindrome (4253553524).

It can be divided in two parts, 30000 and 53521, that added together give a 4-th power (83521 = 17⁴).

The spelling of 3000053521 in words is "three billion, fifty-three thousand, five hundred twenty-one".