33266413 has 2 divisors, whose sum is σ = 33266414. Its totient is φ = 33266412.

The previous prime is 33266369. The next prime is 33266419. The reversal of 33266413 is 31466233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30437289 + 2829124 = 5517^2 + 1682^2 .

It is an emirp because it is prime and its reverse (31466233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33266413 - 2⁹ = 33265901 is a prime.

It is a super-2 number, since 2×33266413² = 2213308467773138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33266419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16633206 + 16633207.

It is an arithmetic number, because the mean of its divisors is an integer number (16633207).

Almost surely, 2^33266413 is an apocalyptic number.

It is an amenable number.

33266413 is a deficient number, since it is larger than the sum of its proper divisors (1).

33266413 is an equidigital number, since it uses as much as digits as its factorization.

33266413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 33266413 is about 5767.7043093418. The cubic root of 33266413 is about 321.6142810101.

The spelling of 33266413 in words is "thirty-three million, two hundred sixty-six thousand, four hundred thirteen".