33914521 has 2 divisors, whose sum is σ = 33914522. Its totient is φ = 33914520.

The previous prime is 33914479. The next prime is 33914537. The reversal of 33914521 is 12541933.

33914521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 6760000 = 5211^2 + 2600^2 .

It is an emirp because it is prime and its reverse (12541933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33914521 - 2¹³ = 33906329 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33914521.

It is not a weakly prime, because it can be changed into another prime (33914561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16957260 + 16957261.

It is an arithmetic number, because the mean of its divisors is an integer number (16957261).

Almost surely, 2^33914521 is an apocalyptic number.

It is an amenable number.

33914521 is a deficient number, since it is larger than the sum of its proper divisors (1).

33914521 is an equidigital number, since it uses as much as digits as its factorization.

33914521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 28.

The square root of 33914521 is about 5823.6175183472. The cubic root of 33914521 is about 323.6894632965.

The spelling of 33914521 in words is "thirty-three million, nine hundred fourteen thousand, five hundred twenty-one".