33042525 has 12 divisors (see below), whose sum is σ = 54630432. Its totient is φ = 17622640.

The previous prime is 33042511. The next prime is 33042547. The reversal of 33042525 is 52524033.

It is not a de Polignac number, because 33042525 - 2¹⁴ = 33026141 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33042495 and 33042504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220209 + ... + 220358.

It is an arithmetic number, because the mean of its divisors is an integer number (4552536).

Almost surely, 2^33042525 is an apocalyptic number.

It is an amenable number.

33042525 is a deficient number, since it is larger than the sum of its proper divisors (21587907).

33042525 is a wasteful number, since it uses less digits than its factorization.

33042525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440580 (or 440575 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 33042525 is about 5748.2627810496. The cubic root of 33042525 is about 320.8911520391.

Adding to 33042525 its reverse (52524033), we get a palindrome (85566558).

The spelling of 33042525 in words is "thirty-three million, forty-two thousand, five hundred twenty-five".