82663237 has 2 divisors, whose sum is σ = 82663238. Its totient is φ = 82663236.

The previous prime is 82663213. The next prime is 82663247. The reversal of 82663237 is 73236628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 40335201 = 6506^2 + 6351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82663237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82663196 and 82663205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82663247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41331618 + 41331619.

It is an arithmetic number, because the mean of its divisors is an integer number (41331619).

Almost surely, 2^82663237 is an apocalyptic number.

It is an amenable number.

82663237 is a deficient number, since it is larger than the sum of its proper divisors (1).

82663237 is an equidigital number, since it uses as much as digits as its factorization.

82663237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 82663237 is about 9091.9325228468. The cubic root of 82663237 is about 435.6163140367.

The spelling of 82663237 in words is "eighty-two million, six hundred sixty-three thousand, two hundred thirty-seven".