33402041 has 4 divisors (see below), whose sum is σ = 33414132. Its totient is φ = 33389952.

The previous prime is 33402029. The next prime is 33402067. The reversal of 33402041 is 14020433.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14020433 = 7 ⋅2002919.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 30525625 = 1696^2 + 5525^2 .

It is a cyclic number.

It is not a de Polignac number, because 33402041 - 2¹⁴ = 33385657 is a prime.

It is a super-2 number, since 2×33402041² = 2231392685931362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33402001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (8353533).

Almost surely, 2^33402041 is an apocalyptic number.

It is an amenable number.

33402041 is a deficient number, since it is larger than the sum of its proper divisors (12091).

33402041 is an equidigital number, since it uses as much as digits as its factorization.

33402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33402041 is about 5779.4498873163. The cubic root of 33402041 is about 322.0507648574.

Adding to 33402041 its reverse (14020433), we get a palindrome (47422474).

The spelling of 33402041 in words is "thirty-three million, four hundred two thousand, forty-one".