33045025 has 24 divisors (see below), whose sum is σ = 46731384. Its totient is φ = 22963200.

The previous prime is 33045017. The next prime is 33045029. The reversal of 33045025 is 52054033.

It can be written as a sum of positive squares in 12 ways, for example, as 20034576 + 13010449 = 4476^2 + 3607^2 .

It is not a de Polignac number, because 33045025 - 2³ = 33045017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33044987 and 33045005.

It is not an unprimeable number, because it can be changed into a prime (33045029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2535 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (1947141).

Almost surely, 2^33045025 is an apocalyptic number.

It is an amenable number.

33045025 is a deficient number, since it is larger than the sum of its proper divisors (13686359).

33045025 is a wasteful number, since it uses less digits than its factorization.

33045025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 33045025 is about 5748.4802339401. The cubic root of 33045025 is about 320.8992447181.

Adding to 33045025 its reverse (52054033), we get a palindrome (85099058).

The spelling of 33045025 in words is "thirty-three million, forty-five thousand, twenty-five".