33413025 has 12 divisors (see below), whose sum is σ = 55242992. Its totient is φ = 17820240.

The previous prime is 33413011. The next prime is 33413027. The reversal of 33413025 is 52031433.

It is not a de Polignac number, because 33413025 - 2⁵ = 33412993 is a prime.

It is a super-2 number, since 2×33413025² = 2232860479301250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33412992 and 33413010.

It is not an unprimeable number, because it can be changed into a prime (33413027) 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 11 ways as a sum of consecutive naturals, for example, 222679 + ... + 222828.

Almost surely, 2^33413025 is an apocalyptic number.

It is an amenable number.

33413025 is a deficient number, since it is larger than the sum of its proper divisors (21829967).

33413025 is a wasteful number, since it uses less digits than its factorization.

33413025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445520 (or 445515 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33413025 is about 5780.4000726593. The cubic root of 33413025 is about 322.0860622805.

Adding to 33413025 its reverse (52031433), we get a palindrome (85444458).

The spelling of 33413025 in words is "thirty-three million, four hundred thirteen thousand, twenty-five".