82862825 has 6 divisors (see below), whose sum is σ = 102749934. Its totient is φ = 66290240.

The previous prime is 82862821. The next prime is 82862837. The reversal of 82862825 is 52826828.

It can be written as a sum of positive squares in 3 ways, for example, as 15031129 + 67831696 = 3877^2 + 8236^2 .

It is not a de Polignac number, because 82862825 - 2² = 82862821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82862821) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1657232 + ... + 1657281.

It is an arithmetic number, because the mean of its divisors is an integer number (17124989).

Almost surely, 2^82862825 is an apocalyptic number.

It is an amenable number.

82862825 is a deficient number, since it is larger than the sum of its proper divisors (19887109).

82862825 is a wasteful number, since it uses less digits than its factorization.

82862825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314523 (or 3314518 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 82862825 is about 9102.9020097989. The cubic root of 82862825 is about 435.9666265873.

It can be divided in two parts, 8286 and 2825, that added together give a palindrome (11111).

The spelling of 82862825 in words is "eighty-two million, eight hundred sixty-two thousand, eight hundred twenty-five".