82911233 has 2 divisors, whose sum is σ = 82911234. Its totient is φ = 82911232.

The previous prime is 82911223. The next prime is 82911247. The reversal of 82911233 is 33211928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 7360369 = 8692^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 82911233 - 2⁸ = 82910977 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 = 82911196 and 82911205.

It is not a weakly prime, because it can be changed into another prime (82911223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41455616 + 41455617.

It is an arithmetic number, because the mean of its divisors is an integer number (41455617).

Almost surely, 2^82911233 is an apocalyptic number.

It is an amenable number.

82911233 is a deficient number, since it is larger than the sum of its proper divisors (1).

82911233 is an equidigital number, since it uses as much as digits as its factorization.

82911233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 82911233 is about 9105.5605538594. The cubic root of 82911233 is about 436.0515064842.

The spelling of 82911233 in words is "eighty-two million, nine hundred eleven thousand, two hundred thirty-three".