821527482 has 16 divisors (see below), whose sum is σ = 1739705472. Its totient is φ = 257734080.

The previous prime is 821527471. The next prime is 821527519. The reversal of 821527482 is 284725128.

It is a self number, because there is not a number n which added to its sum of digits gives 821527482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026994 + ... + 4027197.

It is an arithmetic number, because the mean of its divisors is an integer number (108731592).

Almost surely, 2^821527482 is an apocalyptic number.

821527482 is an abundant number, since it is smaller than the sum of its proper divisors (918177990).

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

821527482 is a wasteful number, since it uses less digits than its factorization.

821527482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054213.

The product of its digits is 71680, while the sum is 39.

The square root of 821527482 is about 28662.3007101663. The cubic root of 821527482 is about 936.5709839797.

The spelling of 821527482 in words is "eight hundred twenty-one million, five hundred twenty-seven thousand, four hundred eighty-two".