3661133 has 6 divisors (see below), whose sum is σ = 4258926. Its totient is φ = 3138072.

The previous prime is 3661123. The next prime is 3661139. The reversal of 3661133 is 3311663.

It can be written as a sum of positive squares in only one way, i.e., 3161284 + 499849 = 1778^2 + 707^2 .

It is not a de Polignac number, because 3661133 - 2¹⁰ = 3660109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3661099 and 3661108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37310 + ... + 37407.

It is an arithmetic number, because the mean of its divisors is an integer number (709821).

Almost surely, 2^3661133 is an apocalyptic number.

It is an amenable number.

3661133 is a deficient number, since it is larger than the sum of its proper divisors (597793).

3661133 is an equidigital number, since it uses as much as digits as its factorization.

3661133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74731 (or 74724 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

The square root of 3661133 is about 1913.4087383515. The cubic root of 3661133 is about 154.1245548805.

Adding to 3661133 its reverse (3311663), we get a palindrome (6972796).

The spelling of 3661133 in words is "three million, six hundred sixty-one thousand, one hundred thirty-three".