82089523 has 2 divisors, whose sum is σ = 82089524. Its totient is φ = 82089522.

The previous prime is 82089499. The next prime is 82089529. The reversal of 82089523 is 32598028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82089523 - 2²¹ = 79992371 is a prime.

It is not a weakly prime, because it can be changed into another prime (82089529) 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, 41044761 + 41044762.

It is an arithmetic number, because the mean of its divisors is an integer number (41044762).

Almost surely, 2^82089523 is an apocalyptic number.

82089523 is a deficient number, since it is larger than the sum of its proper divisors (1).

82089523 is an equidigital number, since it uses as much as digits as its factorization.

82089523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 82089523 is about 9060.3268704832. The cubic root of 82089523 is about 434.6061931151.

The spelling of 82089523 in words is "eighty-two million, eighty-nine thousand, five hundred twenty-three".