33001361 has 2 divisors, whose sum is σ = 33001362. Its totient is φ = 33001360.

The previous prime is 33001357. The next prime is 33001393. The reversal of 33001361 is 16310033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 9186961 = 4880^2 + 3031^2 .

It is an emirp because it is prime and its reverse (16310033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33001361 - 2² = 33001357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33001321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16500680 + 16500681.

It is an arithmetic number, because the mean of its divisors is an integer number (16500681).

Almost surely, 2^33001361 is an apocalyptic number.

It is an amenable number.

33001361 is a deficient number, since it is larger than the sum of its proper divisors (1).

33001361 is an equidigital number, since it uses as much as digits as its factorization.

33001361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 33001361 is about 5744.6811051615. The cubic root of 33001361 is about 320.7578424887.

Adding to 33001361 its reverse (16310033), we get a palindrome (49311394).

The spelling of 33001361 in words is "thirty-three million, one thousand, three hundred sixty-one".