3660541 has 2 divisors, whose sum is σ = 3660542. Its totient is φ = 3660540.

The previous prime is 3660523. The next prime is 3660563. The reversal of 3660541 is 1450663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 1572516 = 1445^2 + 1254^2 .

It is a cyclic number.

It is not a de Polignac number, because 3660541 - 2⁷ = 3660413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3660571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830270 + 1830271.

It is an arithmetic number, because the mean of its divisors is an integer number (1830271).

Almost surely, 2^3660541 is an apocalyptic number.

It is an amenable number.

3660541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660541 is an equidigital number, since it uses as much as digits as its factorization.

3660541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3660541 is about 1913.2540343614. The cubic root of 3660541 is about 154.1162471922.

The spelling of 3660541 in words is "three million, six hundred sixty thousand, five hundred forty-one".