33036213 has 8 divisors (see below), whose sum is σ = 50340928. Its totient is φ = 18877824.

The previous prime is 33036209. The next prime is 33036221. The reversal of 33036213 is 31263033.

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

It is not a de Polignac number, because 33036213 - 2² = 33036209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1573153 = 33036213 / (3 + 3 + 0 + 3 + 6 + 2 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33036213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33036203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786556 + ... + 786597.

It is an arithmetic number, because the mean of its divisors is an integer number (6292616).

Almost surely, 2^33036213 is an apocalyptic number.

It is an amenable number.

33036213 is a deficient number, since it is larger than the sum of its proper divisors (17304715).

33036213 is a wasteful number, since it uses less digits than its factorization.

33036213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573163.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 33036213 is about 5747.7137193844. The cubic root of 33036213 is about 320.8707178265.

Adding to 33036213 its reverse (31263033), we get a palindrome (64299246).

The spelling of 33036213 in words is "thirty-three million, thirty-six thousand, two hundred thirteen".