821052082 has 8 divisors (see below), whose sum is σ = 1238026752. Its totient is φ = 408376500.

The previous prime is 821052053. The next prime is 821052109. The reversal of 821052082 is 280250128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 821052082.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074294 + ... + 1075057.

It is an arithmetic number, because the mean of its divisors is an integer number (154753344).

Almost surely, 2^821052082 is an apocalyptic number.

821052082 is a deficient number, since it is larger than the sum of its proper divisors (416974670).

821052082 is a wasteful number, since it uses less digits than its factorization.

821052082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149544.

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

The square root of 821052082 is about 28654.0063865422. The cubic root of 821052082 is about 936.3902914008.

The spelling of 821052082 in words is "eight hundred twenty-one million, fifty-two thousand, eighty-two".