4032641 has 2 divisors, whose sum is σ = 4032642. Its totient is φ = 4032640.

The previous prime is 4032619. The next prime is 4032671. The reversal of 4032641 is 1462304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 92416 = 1985^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 4032641 - 2¹⁸ = 3770497 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 6.

It is not a weakly prime, because it can be changed into another prime (4032601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016320 + 2016321.

It is an arithmetic number, because the mean of its divisors is an integer number (2016321).

Almost surely, 2^4032641 is an apocalyptic number.

It is an amenable number.

4032641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4032641 is an equidigital number, since it uses as much as digits as its factorization.

4032641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4032641 is about 2008.1436701591. The cubic root of 4032641 is about 159.1707223123.

Adding to 4032641 its reverse (1462304), we get a palindrome (5494945).

The spelling of 4032641 in words is "four million, thirty-two thousand, six hundred forty-one".