33033245 has 32 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 21607488.

The previous prime is 33033241. The next prime is 33033281. The reversal of 33033245 is 54233033.

It is not a de Polignac number, because 33033245 - 2² = 33033241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33033245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33033241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70502 + ... + 70968.

It is an arithmetic number, because the mean of its divisors is an integer number (1482624).

Almost surely, 2^33033245 is an apocalyptic number.

33033245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33033245 is a deficient number, since it is larger than the sum of its proper divisors (14410723).

33033245 is a wasteful number, since it uses less digits than its factorization.

33033245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 33033245 is about 5747.4555239688. The cubic root of 33033245 is about 320.8611084441.

Adding to 33033245 its reverse (54233033), we get a palindrome (87266278).

The spelling of 33033245 in words is "thirty-three million, thirty-three thousand, two hundred forty-five".