82208525 has 24 divisors (see below), whose sum is σ = 118891200. Its totient is φ = 56365680.

The previous prime is 82208521. The next prime is 82208527. The reversal of 82208525 is 52580228.

It is a happy number.

It is not a de Polignac number, because 82208525 - 2² = 82208521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82208491 and 82208500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82208521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3782 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (4953800).

Almost surely, 2^82208525 is an apocalyptic number.

It is an amenable number.

82208525 is a deficient number, since it is larger than the sum of its proper divisors (36682675).

82208525 is an equidigital number, since it uses as much as digits as its factorization.

82208525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618 (or 9599 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 82208525 is about 9066.8916945114. The cubic root of 82208525 is about 434.8161023002.

The spelling of 82208525 in words is "eighty-two million, two hundred eight thousand, five hundred twenty-five".