33025009 has 4 divisors (see below), whose sum is σ = 33039360. Its totient is φ = 33010660.

The previous prime is 33025007. The next prime is 33025019. The reversal of 33025009 is 90052033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90052033 = 7591 ⋅11863.

It is a cyclic number.

It is not a de Polignac number, because 33025009 - 2¹ = 33025007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33025007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857 + ... + 8614.

It is an arithmetic number, because the mean of its divisors is an integer number (8259840).

Almost surely, 2^33025009 is an apocalyptic number.

It is an amenable number.

33025009 is a deficient number, since it is larger than the sum of its proper divisors (14351).

33025009 is a wasteful number, since it uses less digits than its factorization.

33025009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 33025009 is about 5746.7389883307. The cubic root of 33025009 is about 320.8344400404.

The spelling of 33025009 in words is "thirty-three million, twenty-five thousand, nine".