83235653 has 2 divisors, whose sum is σ = 83235654. Its totient is φ = 83235652.

The previous prime is 83235629. The next prime is 83235661. The reversal of 83235653 is 35653238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72982849 + 10252804 = 8543^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 83235653 - 2¹² = 83231557 is a prime.

It is a Sophie Germain 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 (83235623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41617826 + 41617827.

It is an arithmetic number, because the mean of its divisors is an integer number (41617827).

Almost surely, 2^83235653 is an apocalyptic number.

It is an amenable number.

83235653 is a deficient number, since it is larger than the sum of its proper divisors (1).

83235653 is an equidigital number, since it uses as much as digits as its factorization.

83235653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

The square root of 83235653 is about 9123.3575508143. The cubic root of 83235653 is about 436.6195023809.

The spelling of 83235653 in words is "eighty-three million, two hundred thirty-five thousand, six hundred fifty-three".