33910997 has 2 divisors, whose sum is σ = 33910998. Its totient is φ = 33910996.

The previous prime is 33910969. The next prime is 33911011. The reversal of 33910997 is 79901933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 5597956 = 5321^2 + 2366^2 .

It is an emirp because it is prime and its reverse (79901933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33910997 - 2⁸ = 33910741 is a prime.

It is a super-2 number, since 2×33910997² = 2299911435068018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33912997) 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, 16955498 + 16955499.

It is an arithmetic number, because the mean of its divisors is an integer number (16955499).

Almost surely, 2^33910997 is an apocalyptic number.

It is an amenable number.

33910997 is a deficient number, since it is larger than the sum of its proper divisors (1).

33910997 is an equidigital number, since it uses as much as digits as its factorization.

33910997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 33910997 is about 5823.3149494081. The cubic root of 33910997 is about 323.6782515682.

The spelling of 33910997 in words is "thirty-three million, nine hundred ten thousand, nine hundred ninety-seven".