33425 has 12 divisors (see below), whose sum is σ = 47616. Its totient is φ = 22800.

The previous prime is 33413. The next prime is 33427. The reversal of 33425 is 52433.

It is not a de Polignac number, because 33425 - 2⁴ = 33409 is a prime.

It is a super-2 number, since 2×33425² = 2234461250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80 + ... + 270.

It is an arithmetic number, because the mean of its divisors is an integer number (3968).

2³³⁴²⁵ is an apocalyptic number.

33425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33425 is a deficient number, since it is larger than the sum of its proper divisors (14191).

33425 is a wasteful number, since it uses less digits than its factorization.

33425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 203 counting only the distinct ones).

The product of its digits is 360, while the sum is 17.

The square root of 33425 is about 182.8250529878. The cubic root of 33425 is about 32.2124535500.

Adding to 33425 its reverse (52433), we get a palindrome (85858).

The spelling of 33425 in words is "thirty-three thousand, four hundred twenty-five".