33425253 has 6 divisors (see below), whose sum is σ = 48280934. Its totient is φ = 22283496.

The previous prime is 33425221. The next prime is 33425297. The reversal of 33425253 is 35252433.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 16136289 = 4158^2 + 4017^2 .

It is not a de Polignac number, because 33425253 - 2⁵ = 33425221 is a prime.

It is a super-2 number, since 2×33425253² = 2234495076228018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33425053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1856950 + ... + 1856967.

Almost surely, 2^33425253 is an apocalyptic number.

It is an amenable number.

33425253 is a deficient number, since it is larger than the sum of its proper divisors (14855681).

33425253 is a wasteful number, since it uses less digits than its factorization.

33425253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713923 (or 3713920 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 33425253 is about 5781.4576881614. The cubic root of 33425253 is about 322.1253482378.

Adding to 33425253 its reverse (35252433), we get a palindrome (68677686).

The spelling of 33425253 in words is "thirty-three million, four hundred twenty-five thousand, two hundred fifty-three".