3601205 has 4 divisors (see below), whose sum is σ = 4321452. Its totient is φ = 2880960.

The previous prime is 3601193. The next prime is 3601211. The reversal of 3601205 is 5021063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5021063 = 349 ⋅14387.

It can be written as a sum of positive squares in 2 ways, for example, as 2430481 + 1170724 = 1559^2 + 1082^2 .

It is not a de Polignac number, because 3601205 - 2⁶ = 3601141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360116 + ... + 360125.

It is an arithmetic number, because the mean of its divisors is an integer number (1080363).

Almost surely, 2^3601205 is an apocalyptic number.

It is an amenable number.

3601205 is a deficient number, since it is larger than the sum of its proper divisors (720247).

3601205 is an equidigital number, since it uses as much as digits as its factorization.

3601205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720246.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3601205 is about 1897.6841149148. The cubic root of 3601205 is about 153.2789846242.

Adding to 3601205 its reverse (5021063), we get a palindrome (8622268).

The spelling of 3601205 in words is "three million, six hundred one thousand, two hundred five".