3601109 has 4 divisors (see below), whose sum is σ = 3624204. Its totient is φ = 3578016.

The previous prime is 3601079. The next prime is 3601111. The reversal of 3601109 is 9011063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9011063 = 443 ⋅20341.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 2630884 = 985^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 3601109 - 2⁸ = 3600853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601139) 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, 11312 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (906051).

Almost surely, 2^3601109 is an apocalyptic number.

It is an amenable number.

3601109 is a deficient number, since it is larger than the sum of its proper divisors (23095).

3601109 is a wasteful number, since it uses less digits than its factorization.

3601109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23094.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 3601109 is about 1897.6588207578. The cubic root of 3601109 is about 153.2776225882.

The spelling of 3601109 in words is "three million, six hundred one thousand, one hundred nine".