33541481 has 2 divisors, whose sum is σ = 33541482. Its totient is φ = 33541480.

The previous prime is 33541477. The next prime is 33541483. The reversal of 33541481 is 18414533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30426256 + 3115225 = 5516^2 + 1765^2 .

It is an emirp because it is prime and its reverse (18414533) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33541481 - 2² = 33541477 is a prime.

It is a super-2 number, since 2×33541481² = 2250061895346722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 33541483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33541483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16770740 + 16770741.

It is an arithmetic number, because the mean of its divisors is an integer number (16770741).

Almost surely, 2^33541481 is an apocalyptic number.

It is an amenable number.

33541481 is a deficient number, since it is larger than the sum of its proper divisors (1).

33541481 is an equidigital number, since it uses as much as digits as its factorization.

33541481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 33541481 is about 5791.5007554174. The cubic root of 33541481 is about 322.4982865522.

The spelling of 33541481 in words is "thirty-three million, five hundred forty-one thousand, four hundred eighty-one".