33949549 has 2 divisors, whose sum is σ = 33949550. Its totient is φ = 33949548.

The previous prime is 33949543. The next prime is 33949579. The reversal of 33949549 is 94594933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 2196324 = 5635^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 33949549 - 2⁹ = 33949037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33949499 and 33949508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33949543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16974774 + 16974775.

It is an arithmetic number, because the mean of its divisors is an integer number (16974775).

Almost surely, 2^33949549 is an apocalyptic number.

It is an amenable number.

33949549 is a deficient number, since it is larger than the sum of its proper divisors (1).

33949549 is an equidigital number, since it uses as much as digits as its factorization.

33949549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 33949549 is about 5826.6241512560. The cubic root of 33949549 is about 323.8008638897.

The spelling of 33949549 in words is "thirty-three million, nine hundred forty-nine thousand, five hundred forty-nine".