3300050021 has 2 divisors, whose sum is σ = 3300050022. Its totient is φ = 3300050020.

The previous prime is 3300050003. The next prime is 3300050053. The reversal of 3300050021 is 1200500033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2449161121 + 850888900 = 49489^2 + 29170^2 .

It is a cyclic number.

It is not a de Polignac number, because 3300050021 - 2¹⁸ = 3299787877 is a prime.

It is a super-2 number, since 2×3300050021² = 21780660282204200882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3300049978 and 3300050005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3300050821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650025010 + 1650025011.

It is an arithmetic number, because the mean of its divisors is an integer number (1650025011).

Almost surely, 2^3300050021 is an apocalyptic number.

It is an amenable number.

3300050021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3300050021 is an equidigital number, since it uses as much as digits as its factorization.

3300050021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3300050021 is about 57446.0618406519. The cubic root of 3300050021 is about 1488.8130752939.

Adding to 3300050021 its reverse (1200500033), we get a palindrome (4500550054).

The spelling of 3300050021 in words is "three billion, three hundred million, fifty thousand, twenty-one".