82304563 has 6 divisors (see below), whose sum is σ = 90467132. Its totient is φ = 74822220.

The previous prime is 82304533. The next prime is 82304627. The reversal of 82304563 is 36540328.

It is a de Polignac number, because none of the positive numbers 2^k-82304563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82304503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339981 + ... + 340222.

Almost surely, 2^82304563 is an apocalyptic number.

82304563 is a deficient number, since it is larger than the sum of its proper divisors (8162569).

82304563 is a wasteful number, since it uses less digits than its factorization.

82304563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680225 (or 680214 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 82304563 is about 9072.1862304518. The cubic root of 82304563 is about 434.9853573263.

The spelling of 82304563 in words is "eighty-two million, three hundred four thousand, five hundred sixty-three".