82446525 has 48 divisors (see below), whose sum is σ = 173104000. Its totient is φ = 37687680.

The previous prime is 82446521. The next prime is 82446527. The reversal of 82446525 is 52564428.

It is a happy number.

It is not a de Polignac number, because 82446525 - 2² = 82446521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82446525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82446521) 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 47 ways as a sum of consecutive naturals, for example, 4000 + ... + 13449.

Almost surely, 2^82446525 is an apocalyptic number.

It is an amenable number.

82446525 is an abundant number, since it is smaller than the sum of its proper divisors (90657475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82446525 is a wasteful number, since it uses less digits than its factorization.

82446525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475 (or 17464 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 82446525 is about 9080.0068832573. The cubic root of 82446525 is about 435.2353066986.

The spelling of 82446525 in words is "eighty-two million, four hundred forty-six thousand, five hundred twenty-five".