3201641 has 2 divisors, whose sum is σ = 3201642. Its totient is φ = 3201640.

The previous prime is 3201619. The next prime is 3201643. The reversal of 3201641 is 1461023.

3201641 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., 2706025 + 495616 = 1645^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201641 - 2¹⁴ = 3185257 is a prime.

Together with 3201643, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₃₀₃₂₇ and since 3201641 and 230327 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3201643) 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, 1600820 + 1600821.

It is an arithmetic number, because the mean of its divisors is an integer number (1600821).

Almost surely, 2^3201641 is an apocalyptic number.

It is an amenable number.

3201641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201641 is an equidigital number, since it uses as much as digits as its factorization.

3201641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3201641 is about 1789.3129966554. The cubic root of 3201641 is about 147.3864452064.

Adding to 3201641 its reverse (1461023), we get a palindrome (4662664).

The spelling of 3201641 in words is "three million, two hundred one thousand, six hundred forty-one".