33152993 has 2 divisors, whose sum is σ = 33152994. Its totient is φ = 33152992.

The previous prime is 33152989. The next prime is 33153011. The reversal of 33152993 is 39925133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 11175649 = 4688^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 33152993 - 2² = 33152989 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33152923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16576496 + 16576497.

It is an arithmetic number, because the mean of its divisors is an integer number (16576497).

Almost surely, 2^33152993 is an apocalyptic number.

It is an amenable number.

33152993 is a deficient number, since it is larger than the sum of its proper divisors (1).

33152993 is an equidigital number, since it uses as much as digits as its factorization.

33152993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 35.

The square root of 33152993 is about 5757.8635794885. The cubic root of 33152993 is about 321.2483561110.

The spelling of 33152993 in words is "thirty-three million, one hundred fifty-two thousand, nine hundred ninety-three".