3601161 has 12 divisors (see below), whose sum is σ = 5507892. Its totient is φ = 2259456.

The previous prime is 3601151. The next prime is 3601193. The reversal of 3601161 is 1611063.

3601161 is a `hidden beast` number, since 3 + 601 + 1 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2013561 + 1587600 = 1419^2 + 1260^2 .

It is not a de Polignac number, because 3601161 - 2¹³ = 3592969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11616 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (458991).

Almost surely, 2^3601161 is an apocalyptic number.

It is an amenable number.

3601161 is a deficient number, since it is larger than the sum of its proper divisors (1906731).

3601161 is a wasteful number, since it uses less digits than its factorization.

3601161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23560 (or 23557 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3601161 is about 1897.6725218014. The cubic root of 3601161 is about 153.2783603607.

It can be divided in two parts, 360 and 1161, that added together give a square (1521 = 39²).

The spelling of 3601161 in words is "three million, six hundred one thousand, one hundred sixty-one".