3641401 has 2 divisors, whose sum is σ = 3641402. Its totient is φ = 3641400.

The previous prime is 3641399. The next prime is 3641423. The reversal of 3641401 is 1041463.

It is a happy number.

3641401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 1207801 = 1560^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641401 - 2¹ = 3641399 is a prime.

Together with 3641399, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

3641401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3641431) 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, 1820700 + 1820701.

It is an arithmetic number, because the mean of its divisors is an integer number (1820701).

Almost surely, 2^3641401 is an apocalyptic number.

It is an amenable number.

3641401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641401 is an equidigital number, since it uses as much as digits as its factorization.

3641401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3641401 is about 1908.2455292755. The cubic root of 3641401 is about 153.8471666408.

Adding to 3641401 its reverse (1041463), we get a palindrome (4682864).

The spelling of 3641401 in words is "three million, six hundred forty-one thousand, four hundred one".