82102582 has 16 divisors (see below), whose sum is σ = 126554400. Its totient is φ = 39924160.

The previous prime is 82102549. The next prime is 82102583. The reversal of 82102582 is 28520128.

It is a self number, because there is not a number n which added to its sum of digits gives 82102582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82102583) 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 7 ways as a sum of consecutive naturals, for example, 28044 + ... + 30832.

It is an arithmetic number, because the mean of its divisors is an integer number (7909650).

Almost surely, 2^82102582 is an apocalyptic number.

82102582 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

82102582 is a deficient number, since it is larger than the sum of its proper divisors (44451818).

82102582 is a wasteful number, since it uses less digits than its factorization.

82102582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 82102582 is about 9061.0475111877. The cubic root of 82102582 is about 434.6292379615.

The spelling of 82102582 in words is "eighty-two million, one hundred two thousand, five hundred eighty-two".