3606542021 has 2 divisors, whose sum is σ = 3606542022. Its totient is φ = 3606542020.

The previous prime is 3606542011. The next prime is 3606542083. The reversal of 3606542021 is 1202456063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3571377121 + 35164900 = 59761^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 3606542021 - 2¹⁸ = 3606279877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3606542011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803271010 + 1803271011.

It is an arithmetic number, because the mean of its divisors is an integer number (1803271011).

Almost surely, 2^3606542021 is an apocalyptic number.

It is an amenable number.

3606542021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3606542021 is an equidigital number, since it uses as much as digits as its factorization.

3606542021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3606542021 is about 60054.4920967616. The cubic root of 3606542021 is about 1533.5466756657.

Adding to 3606542021 its reverse (1202456063), we get a palindrome (4808998084).

The spelling of 3606542021 in words is "three billion, six hundred six million, five hundred forty-two thousand, twenty-one".