3351521 has 2 divisors, whose sum is σ = 3351522. Its totient is φ = 3351520.

The previous prime is 3351511. The next prime is 3351527. The reversal of 3351521 is 1251533.

3351521 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., 1690000 + 1661521 = 1300^2 + 1289^2 .

It is an emirp because it is prime and its reverse (1251533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3351521 - 2¹⁸ = 3089377 is a prime.

It is a super-2 number, since 2×3351521² = 22465386026882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3351493 and 3351502.

It is not a weakly prime, because it can be changed into another prime (3351527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675760 + 1675761.

It is an arithmetic number, because the mean of its divisors is an integer number (1675761).

Almost surely, 2^3351521 is an apocalyptic number.

It is an amenable number.

3351521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3351521 is an equidigital number, since it uses as much as digits as its factorization.

3351521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 20.

The square root of 3351521 is about 1830.7159801564. The cubic root of 3351521 is about 149.6513532270.

The spelling of 3351521 in words is "three million, three hundred fifty-one thousand, five hundred twenty-one".