33069213 has 6 divisors (see below), whose sum is σ = 47766654. Its totient is φ = 22046136.

The previous prime is 33069121. The next prime is 33069227. The reversal of 33069213 is 31296033.

It can be written as a sum of positive squares in only one way, i.e., 24176889 + 8892324 = 4917^2 + 2982^2 .

It is not a de Polignac number, because 33069213 - 2¹⁸ = 32807069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33069263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1837170 + ... + 1837187.

It is an arithmetic number, because the mean of its divisors is an integer number (7961109).

Almost surely, 2^33069213 is an apocalyptic number.

It is an amenable number.

33069213 is a deficient number, since it is larger than the sum of its proper divisors (14697441).

33069213 is a wasteful number, since it uses less digits than its factorization.

33069213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674363 (or 3674360 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 33069213 is about 5750.5837095029. The cubic root of 33069213 is about 320.9775219361.

The spelling of 33069213 in words is "thirty-three million, sixty-nine thousand, two hundred thirteen".