33013201 has 8 divisors (see below), whose sum is σ = 37644264. Its totient is φ = 28680960.

The previous prime is 33013199. The next prime is 33013217. The reversal of 33013201 is 10231033.

It can be written as a sum of positive squares in 4 ways, for example, as 12082576 + 20930625 = 3476^2 + 4575^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 33013201 - 2¹ = 33013199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33013501) 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, 74470 + ... + 74911.

It is an arithmetic number, because the mean of its divisors is an integer number (4705533).

Almost surely, 2^33013201 is an apocalyptic number.

It is an amenable number.

33013201 is a deficient number, since it is larger than the sum of its proper divisors (4631063).

33013201 is a wasteful number, since it uses less digits than its factorization.

33013201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149411.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 33013201 is about 5745.7115312205. The cubic root of 33013201 is about 320.7961976620.

Adding to 33013201 its reverse (10231033), we get a palindrome (43244234).

It can be divided in two parts, 3301 and 3201, that multiplied together give a palindrome (10566501).

The spelling of 33013201 in words is "thirty-three million, thirteen thousand, two hundred one".