33934561 has 4 divisors (see below), whose sum is σ = 34399492. Its totient is φ = 33469632.

The previous prime is 33934559. The next prime is 33934583. The reversal of 33934561 is 16543933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 24206400 = 3119^2 + 4920^2 .

It is a cyclic number.

It is not a de Polignac number, because 33934561 - 2¹ = 33934559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33934501) 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 in 3 ways as a sum of consecutive naturals, for example, 232356 + ... + 232501.

It is an arithmetic number, because the mean of its divisors is an integer number (8599873).

Almost surely, 2^33934561 is an apocalyptic number.

It is an amenable number.

33934561 is a deficient number, since it is larger than the sum of its proper divisors (464931).

33934561 is an equidigital number, since it uses as much as digits as its factorization.

33934561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464930.

The product of its digits is 29160, while the sum is 34.

The square root of 33934561 is about 5825.3378442799. The cubic root of 33934561 is about 323.7532064897.

The spelling of 33934561 in words is "thirty-three million, nine hundred thirty-four thousand, five hundred sixty-one".