33041161 has 4 divisors (see below), whose sum is σ = 33412500. Its totient is φ = 32669824.

The previous prime is 33041159. The next prime is 33041167. The reversal of 33041161 is 16114033.

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 16353936 + 16687225 = 4044^2 + 4085^2 .

It is a cyclic number.

It is not a de Polignac number, because 33041161 - 2¹ = 33041159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33041167) 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, 185536 + ... + 185713.

It is an arithmetic number, because the mean of its divisors is an integer number (8353125).

Almost surely, 2^33041161 is an apocalyptic number.

It is an amenable number.

33041161 is a deficient number, since it is larger than the sum of its proper divisors (371339).

33041161 is an equidigital number, since it uses as much as digits as its factorization.

33041161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371338.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 33041161 is about 5748.1441352840. The cubic root of 33041161 is about 320.8867365013.

Adding to 33041161 its reverse (16114033), we get a palindrome (49155194).

It can be divided in two parts, 3304 and 1161, that added together give a triangular number (4465 = T₉₄).

The spelling of 33041161 in words is "thirty-three million, forty-one thousand, one hundred sixty-one".