33505051 has 2 divisors, whose sum is σ = 33505052. Its totient is φ = 33505050.

The previous prime is 33505049. The next prime is 33505057. The reversal of 33505051 is 15050533.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33505051 - 2¹ = 33505049 is a prime.

It is a super-2 number, since 2×33505051² = 2245176885025202, which contains 22 as substring.

Together with 33505049, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33505057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16752525 + 16752526.

It is an arithmetic number, because the mean of its divisors is an integer number (16752526).

Almost surely, 2^33505051 is an apocalyptic number.

33505051 is a deficient number, since it is larger than the sum of its proper divisors (1).

33505051 is an equidigital number, since it uses as much as digits as its factorization.

33505051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 33505051 is about 5788.3547748907. The cubic root of 33505051 is about 322.3814872114.

Adding to 33505051 its reverse (15050533), we get a palindrome (48555584).

The spelling of 33505051 in words is "thirty-three million, five hundred five thousand, fifty-one".