3375821 has 2 divisors, whose sum is σ = 3375822. Its totient is φ = 3375820.

The previous prime is 3375811. The next prime is 3375829. The reversal of 3375821 is 1285733.

3375821 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., 3279721 + 96100 = 1811^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 3375821 - 2¹⁰ = 3374797 is a prime.

It is a super-2 number, since 2×3375821² = 22792334848082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3375829) 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, 1687910 + 1687911.

It is an arithmetic number, because the mean of its divisors is an integer number (1687911).

Almost surely, 2^3375821 is an apocalyptic number.

It is an amenable number.

3375821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3375821 is an equidigital number, since it uses as much as digits as its factorization.

3375821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 3375821 is about 1837.3407413977. The cubic root of 3375821 is about 150.0121619768.

The spelling of 3375821 in words is "three million, three hundred seventy-five thousand, eight hundred twenty-one".