33025340 has 12 divisors (see below), whose sum is σ = 69353256. Its totient is φ = 13210128.

The previous prime is 33025337. The next prime is 33025367. The reversal of 33025340 is 4352033.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1651267 = 33025340 / (3 + 3 + 0 + 2 + 5 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825614 + ... + 825653.

It is an arithmetic number, because the mean of its divisors is an integer number (5779438).

Almost surely, 2^33025340 is an apocalyptic number.

It is an amenable number.

33025340 is an abundant number, since it is smaller than the sum of its proper divisors (36327916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33025340 is a wasteful number, since it uses less digits than its factorization.

33025340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651276 (or 1651274 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33025340 is about 5746.7677872000. The cubic root of 33025340 is about 320.8355119134.

Adding to 33025340 its reverse (4352033), we get a palindrome (37377373).

The spelling of 33025340 in words is "thirty-three million, twenty-five thousand, three hundred forty".