3602581 has 2 divisors, whose sum is σ = 3602582. Its totient is φ = 3602580.

The previous prime is 3602561. The next prime is 3602587. The reversal of 3602581 is 1852063.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 695556 = 1705^2 + 834^2 .

It is a cyclic number.

It is not a de Polignac number, because 3602581 - 2⁵ = 3602549 is a prime.

It is a super-2 number, since 2×3602581² = 25957179723122, which contains 22 as substring.

3602581 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3602587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801290 + 1801291.

It is an arithmetic number, because the mean of its divisors is an integer number (1801291).

Almost surely, 2^3602581 is an apocalyptic number.

It is an amenable number.

3602581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3602581 is an equidigital number, since it uses as much as digits as its factorization.

3602581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3602581 is about 1898.0466274568. The cubic root of 3602581 is about 153.2985044818.

The spelling of 3602581 in words is "three million, six hundred two thousand, five hundred eighty-one".