3601145 has 4 divisors (see below), whose sum is σ = 4321380. Its totient is φ = 2880912.

The previous prime is 3601141. The next prime is 3601151. The reversal of 3601145 is 5411063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 1401856 = 1483^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601145 - 2² = 3601141 is a prime.

It is a super-2 number, since 2×3601145² = 25936490622050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3601141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360110 + ... + 360119.

It is an arithmetic number, because the mean of its divisors is an integer number (1080345).

Almost surely, 2^3601145 is an apocalyptic number.

It is an amenable number.

3601145 is a deficient number, since it is larger than the sum of its proper divisors (720235).

3601145 is an equidigital number, since it uses as much as digits as its factorization.

3601145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720234.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3601145 is about 1897.6683061062. The cubic root of 3601145 is about 153.2781333545.

The spelling of 3601145 in words is "three million, six hundred one thousand, one hundred forty-five".