33081025 has 24 divisors (see below), whose sum is σ = 42943680. Its totient is φ = 25247040.

The previous prime is 33081007. The next prime is 33081029. The reversal of 33081025 is 52018033.

It is not a de Polignac number, because 33081025 - 2⁷ = 33080897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33080987 and 33081005.

It is not an unprimeable number, because it can be changed into a prime (33081029) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 74454 + ... + 74896.

It is an arithmetic number, because the mean of its divisors is an integer number (1789320).

Almost surely, 2^33081025 is an apocalyptic number.

It is an amenable number.

33081025 is a deficient number, since it is larger than the sum of its proper divisors (9862655).

33081025 is a wasteful number, since it uses less digits than its factorization.

33081025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 33081025 is about 5751.6106439849. The cubic root of 33081025 is about 321.0157340657.

Adding to 33081025 its reverse (52018033), we get a palindrome (85099058).

The spelling of 33081025 in words is "thirty-three million, eighty-one thousand, twenty-five".