82530523 has 2 divisors, whose sum is σ = 82530524. Its totient is φ = 82530522.

The previous prime is 82530517. The next prime is 82530541. The reversal of 82530523 is 32503528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82530523 - 2¹³ = 82522331 is a prime.

It is a super-2 number, since 2×82530523² = 13622574453307058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82530491 and 82530500.

It is not a weakly prime, because it can be changed into another prime (82530583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41265261 + 41265262.

It is an arithmetic number, because the mean of its divisors is an integer number (41265262).

Almost surely, 2^82530523 is an apocalyptic number.

82530523 is a deficient number, since it is larger than the sum of its proper divisors (1).

82530523 is an equidigital number, since it uses as much as digits as its factorization.

82530523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 82530523 is about 9084.6311427597. The cubic root of 82530523 is about 435.3830650453.

The spelling of 82530523 in words is "eighty-two million, five hundred thirty thousand, five hundred twenty-three".