82543499 has 2 divisors, whose sum is σ = 82543500. Its totient is φ = 82543498.

The previous prime is 82543471. The next prime is 82543567. The reversal of 82543499 is 99434528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82543499 - 2⁸ = 82543243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82543099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41271749 + 41271750.

It is an arithmetic number, because the mean of its divisors is an integer number (41271750).

Almost surely, 2^82543499 is an apocalyptic number.

82543499 is a deficient number, since it is larger than the sum of its proper divisors (1).

82543499 is an equidigital number, since it uses as much as digits as its factorization.

82543499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 82543499 is about 9085.3452878798. The cubic root of 82543499 is about 435.4058817940.

The spelling of 82543499 in words is "eighty-two million, five hundred forty-three thousand, four hundred ninety-nine".