33918125 has 10 divisors (see below), whose sum is σ = 42384870. Its totient is φ = 27134000.

The previous prime is 33918121. The next prime is 33918149. The reversal of 33918125 is 52181933.

It can be written as a sum of positive squares in 5 ways, for example, as 6240004 + 27678121 = 2498^2 + 5261^2 .

It is not a de Polignac number, because 33918125 - 2² = 33918121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33918091 and 33918100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33918121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26510 + ... + 27759.

It is an arithmetic number, because the mean of its divisors is an integer number (4238487).

Almost surely, 2^33918125 is an apocalyptic number.

It is an amenable number.

33918125 is a deficient number, since it is larger than the sum of its proper divisors (8466745).

33918125 is an frugal number, since it uses more digits than its factorization.

33918125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54289 (or 54274 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 33918125 is about 5823.9269397890. The cubic root of 33918125 is about 323.7009287442.

It can be divided in two parts, 33918 and 125, that added together give a palindrome (34043).

The spelling of 33918125 in words is "thirty-three million, nine hundred eighteen thousand, one hundred twenty-five".