82506223 has 2 divisors, whose sum is σ = 82506224. Its totient is φ = 82506222.

The previous prime is 82506211. The next prime is 82506269. The reversal of 82506223 is 32260528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82506223 - 2⁹ = 82505711 is a prime.

It is equal to p_4807108 and since 82506223 and 4807108 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 82506191 and 82506200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82506023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41253111 + 41253112.

It is an arithmetic number, because the mean of its divisors is an integer number (41253112).

Almost surely, 2^82506223 is an apocalyptic number.

82506223 is a deficient number, since it is larger than the sum of its proper divisors (1).

82506223 is an equidigital number, since it uses as much as digits as its factorization.

82506223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 82506223 is about 9083.2936207083. The cubic root of 82506223 is about 435.3403299593.

The spelling of 82506223 in words is "eighty-two million, five hundred six thousand, two hundred twenty-three".