82530522 has 32 divisors (see below), whose sum is σ = 183778560. Its totient is φ = 27453600.

The previous prime is 82530517. The next prime is 82530523. The reversal of 82530522 is 22503528.

82530522 is a `hidden beast` number, since 82 + 530 + 52 + 2 = 666.

It is a super-2 number, since 2×82530522² = 13622574123184968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (82530523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31183 + ... + 33725.

It is an arithmetic number, because the mean of its divisors is an integer number (5743080).

Almost surely, 2^82530522 is an apocalyptic number.

82530522 is an abundant number, since it is smaller than the sum of its proper divisors (101248038).

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

82530522 is a wasteful number, since it uses less digits than its factorization.

82530522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155 (or 3149 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 82530522 is about 9084.6310877217. The cubic root of 82530522 is about 435.3830632869.

The spelling of 82530522 in words is "eighty-two million, five hundred thirty thousand, five hundred twenty-two".