82522705 has 4 divisors (see below), whose sum is σ = 99027252. Its totient is φ = 66018160.

The previous prime is 82522697. The next prime is 82522717. The reversal of 82522705 is 50722528.

82522705 = 6423² + 6424².

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

It can be written as a sum of positive squares in 2 ways, for example, as 41254929 + 41267776 = 6423^2 + 6424^2 .

It is not a de Polignac number, because 82522705 - 2³ = 82522697 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8252266 + ... + 8252275.

It is an arithmetic number, because the mean of its divisors is an integer number (24756813).

Almost surely, 2^82522705 is an apocalyptic number.

82522705 is the 6424-th centered square number.

It is an amenable number.

82522705 is a deficient number, since it is larger than the sum of its proper divisors (16504547).

82522705 is a wasteful number, since it uses less digits than its factorization.

82522705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16504546.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 82522705 is about 9084.2008454239. The cubic root of 82522705 is about 435.3693168701.

The spelling of 82522705 in words is "eighty-two million, five hundred twenty-two thousand, seven hundred five".