33030245 has 8 divisors (see below), whose sum is σ = 39667320. Its totient is φ = 26403520.

The previous prime is 33030199. The next prime is 33030253. The reversal of 33030245 is 54203033.

It can be written as a sum of positive squares in 4 ways, for example, as 8567329 + 24462916 = 2927^2 + 4946^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-33030245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (4958415).

Almost surely, 2^33030245 is an apocalyptic number.

It is an amenable number.

33030245 is a deficient number, since it is larger than the sum of its proper divisors (6637075).

33030245 is a wasteful number, since it uses less digits than its factorization.

33030245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

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

The square root of 33030245 is about 5747.1945329874. The cubic root of 33030245 is about 320.8513948716.

Adding to 33030245 its reverse (54203033), we get a palindrome (87233278).

The spelling of 33030245 in words is "thirty-three million, thirty thousand, two hundred forty-five".