82318563 has 12 divisors (see below), whose sum is σ = 119013960. Its totient is φ = 54828576.

The previous prime is 82318549. The next prime is 82318567. The reversal of 82318563 is 36581328.

82318563 is a `hidden beast` number, since 82 + 3 + 18 + 563 = 666.

It is not a de Polignac number, because 82318563 - 2⁶ = 82318499 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82318567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7983 + ... + 15111.

It is an arithmetic number, because the mean of its divisors is an integer number (9917830).

Almost surely, 2^82318563 is an apocalyptic number.

82318563 is a deficient number, since it is larger than the sum of its proper divisors (36695397).

82318563 is a wasteful number, since it uses less digits than its factorization.

82318563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418 (or 8415 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82318563 is about 9072.9577867419. The cubic root of 82318563 is about 435.0100195869.

The spelling of 82318563 in words is "eighty-two million, three hundred eighteen thousand, five hundred sixty-three".