82522540 has 24 divisors (see below), whose sum is σ = 173621952. Its totient is φ = 32947200.

The previous prime is 82522523. The next prime is 82522541. The reversal of 82522540 is 4522528.

It is a junction number, because it is equal to n+sod(n) for n = 82522499 and 82522508.

It is not an unprimeable number, because it can be changed into a prime (82522541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7965 + ... + 15115.

It is an arithmetic number, because the mean of its divisors is an integer number (7234248).

Almost surely, 2^82522540 is an apocalyptic number.

It is an amenable number.

82522540 is an abundant number, since it is smaller than the sum of its proper divisors (91099412).

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

82522540 is a wasteful number, since it uses less digits than its factorization.

82522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737 (or 7735 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 82522540 is about 9084.1917637179. The cubic root of 82522540 is about 435.3690267035.

The spelling of 82522540 in words is "eighty-two million, five hundred twenty-two thousand, five hundred forty".