33025404 has 12 divisors (see below), whose sum is σ = 77059304. Its totient is φ = 11008464.

The previous prime is 33025393. The next prime is 33025409. The reversal of 33025404 is 40452033.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33025409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376047 + ... + 1376070.

Almost surely, 2^33025404 is an apocalyptic number.

It is an amenable number.

33025404 is an abundant number, since it is smaller than the sum of its proper divisors (44033900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33025404 is a wasteful number, since it uses less digits than its factorization.

33025404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752124 (or 2752122 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 33025404 is about 5746.7733555448. The cubic root of 33025404 is about 320.8357191629.

Adding to 33025404 its reverse (40452033), we get a palindrome (73477437).

The spelling of 33025404 in words is "thirty-three million, twenty-five thousand, four hundred four".