83271101 has 2 divisors, whose sum is σ = 83271102. Its totient is φ = 83271100.

The previous prime is 83271079. The next prime is 83271103. The reversal of 83271101 is 10117238.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 5476 = 9125^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 83271101 - 2⁶ = 83271037 is a prime.

It is a Sophie Germain prime.

Together with 83271103, it forms a pair of twin primes.

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 (83271103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41635550 + 41635551.

It is an arithmetic number, because the mean of its divisors is an integer number (41635551).

Almost surely, 2^83271101 is an apocalyptic number.

It is an amenable number.

83271101 is a deficient number, since it is larger than the sum of its proper divisors (1).

83271101 is an equidigital number, since it uses as much as digits as its factorization.

83271101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 83271101 is about 9125.3000498614. The cubic root of 83271101 is about 436.6814753895.

Adding to 83271101 its reverse (10117238), we get a palindrome (93388339).

The spelling of 83271101 in words is "eighty-three million, two hundred seventy-one thousand, one hundred one".