33401033 has 2 divisors, whose sum is σ = 33401034. Its totient is φ = 33401032.

The previous prime is 33401029. The next prime is 33401057. The reversal of 33401033 is 33010433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 13935289 = 4412^2 + 3733^2 .

It is an emirp because it is prime and its reverse (33010433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33401033 - 2² = 33401029 is a prime.

It is a super-2 number, since 2×33401033² = 2231258010934178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33401063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700516 + 16700517.

It is an arithmetic number, because the mean of its divisors is an integer number (16700517).

Almost surely, 2^33401033 is an apocalyptic number.

It is an amenable number.

33401033 is a deficient number, since it is larger than the sum of its proper divisors (1).

33401033 is an equidigital number, since it uses as much as digits as its factorization.

33401033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 33401033 is about 5779.3626811267. The cubic root of 33401033 is about 322.0475252306.

Adding to 33401033 its reverse (33010433), we get a palindrome (66411466).

The spelling of 33401033 in words is "thirty-three million, four hundred one thousand, thirty-three".