82473563 has 4 divisors (see below), whose sum is σ = 83871480. Its totient is φ = 81075648.

The previous prime is 82473553. The next prime is 82473569. The reversal of 82473563 is 36537428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82473563 - 2⁶ = 82473499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82473569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698870 + ... + 698987.

It is an arithmetic number, because the mean of its divisors is an integer number (20967870).

Almost surely, 2^82473563 is an apocalyptic number.

82473563 is a deficient number, since it is larger than the sum of its proper divisors (1397917).

82473563 is a wasteful number, since it uses less digits than its factorization.

82473563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397916.

The product of its digits is 120960, while the sum is 38.

The square root of 82473563 is about 9081.4956367330. The cubic root of 82473563 is about 435.2828793769.

The spelling of 82473563 in words is "eighty-two million, four hundred seventy-three thousand, five hundred sixty-three".