33243625 has 32 divisors (see below), whose sum is σ = 44808192. Its totient is φ = 24552000.

The previous prime is 33243611. The next prime is 33243629. The reversal of 33243625 is 52634233.

It is not a de Polignac number, because 33243625 - 2⁵ = 33243593 is a prime.

It is a super-2 number, since 2×33243625² = 2210277206281250, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (12960) is a multiple of the sum of its prime divisors (432).

It is a junction number, because it is equal to n+sod(n) for n = 33243593 and 33243602.

It is not an unprimeable number, because it can be changed into a prime (33243629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88939 + ... + 89311.

It is an arithmetic number, because the mean of its divisors is an integer number (1400256).

Almost surely, 2^33243625 is an apocalyptic number.

It is an amenable number.

33243625 is a deficient number, since it is larger than the sum of its proper divisors (11564567).

33243625 is a wasteful number, since it uses less digits than its factorization.

33243625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 432 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 33243625 is about 5765.7284882311. The cubic root of 33243625 is about 321.5408273402.

Adding to 33243625 its reverse (52634233), we get a palindrome (85877858).

The spelling of 33243625 in words is "thirty-three million, two hundred forty-three thousand, six hundred twenty-five".