33406325 has 6 divisors (see below), whose sum is σ = 41423874. Its totient is φ = 26725040.

The previous prime is 33406319. The next prime is 33406337. The reversal of 33406325 is 52360433.

It can be written as a sum of positive squares in 3 ways, for example, as 6770404 + 26635921 = 2602^2 + 5161^2 .

It is not a de Polignac number, because 33406325 - 2¹⁶ = 33340789 is a prime.

It is a super-2 number, since 2×33406325² = 2231965100011250, 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 = 33406294 and 33406303.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 668102 + ... + 668151.

It is an arithmetic number, because the mean of its divisors is an integer number (6903979).

Almost surely, 2^33406325 is an apocalyptic number.

It is an amenable number.

33406325 is a deficient number, since it is larger than the sum of its proper divisors (8017549).

33406325 is a wasteful number, since it uses less digits than its factorization.

33406325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336263 (or 1336258 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 33406325 is about 5779.8204989429. The cubic root of 33406325 is about 322.0645325440.

Adding to 33406325 its reverse (52360433), we get a palindrome (85766758).

The spelling of 33406325 in words is "thirty-three million, four hundred six thousand, three hundred twenty-five".