32968109 has 2 divisors, whose sum is σ = 32968110. Its totient is φ = 32968108.

The previous prime is 32968081. The next prime is 32968183. The reversal of 32968109 is 90186923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19166884 + 13801225 = 4378^2 + 3715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32968109 is a prime.

It is a super-2 number, since 2×32968109² = 2173792422071762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32968189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16484054 + 16484055.

It is an arithmetic number, because the mean of its divisors is an integer number (16484055).

Almost surely, 2^32968109 is an apocalyptic number.

It is an amenable number.

32968109 is a deficient number, since it is larger than the sum of its proper divisors (1).

32968109 is an equidigital number, since it uses as much as digits as its factorization.

32968109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 32968109 is about 5741.7862203325. The cubic root of 32968109 is about 320.6500749730.

The spelling of 32968109 in words is "thirty-two million, nine hundred sixty-eight thousand, one hundred nine".