33045961 has 4 divisors (see below), whose sum is σ = 35587972. Its totient is φ = 30503952.

The previous prime is 33045953. The next prime is 33045983. The reversal of 33045961 is 16954033.

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 18757561 + 14288400 = 4331^2 + 3780^2 .

It is a cyclic number.

It is not a de Polignac number, because 33045961 - 2³ = 33045953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33045931) 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, 1270986 + ... + 1271011.

It is an arithmetic number, because the mean of its divisors is an integer number (8896993).

Almost surely, 2^33045961 is an apocalyptic number.

It is an amenable number.

33045961 is a deficient number, since it is larger than the sum of its proper divisors (2542011).

33045961 is a wasteful number, since it uses less digits than its factorization.

33045961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542010.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 33045961 is about 5748.5616461859. The cubic root of 33045961 is about 320.9022745122.

Adding to 33045961 its reverse (16954033), we get a palindrome (49999994).

The spelling of 33045961 in words is "thirty-three million, forty-five thousand, nine hundred sixty-one".