83961233 has 2 divisors, whose sum is σ = 83961234. Its totient is φ = 83961232.

The previous prime is 83961217. The next prime is 83961239. The reversal of 83961233 is 33216938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48344209 + 35617024 = 6953^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 83961233 - 2⁴ = 83961217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83961193 and 83961202.

It is not a weakly prime, because it can be changed into another prime (83961239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41980616 + 41980617.

It is an arithmetic number, because the mean of its divisors is an integer number (41980617).

Almost surely, 2^83961233 is an apocalyptic number.

It is an amenable number.

83961233 is a deficient number, since it is larger than the sum of its proper divisors (1).

83961233 is an equidigital number, since it uses as much as digits as its factorization.

83961233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 83961233 is about 9163.0362326033. The cubic root of 83961233 is about 437.8845302809.

The spelling of 83961233 in words is "eighty-three million, nine hundred sixty-one thousand, two hundred thirty-three".