852582021 has 12 divisors (see below), whose sum is σ = 1161435072. Its totient is φ = 556068424.

The previous prime is 852582001. The next prime is 852582047. The reversal of 852582021 is 120285258.

852582021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 852582021 - 2¹³ = 852573829 is a prime.

It is a super-2 number, since 2×852582021² = 1453792205064888882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852582001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345490 + ... + 347948.

It is an arithmetic number, because the mean of its divisors is an integer number (96786256).

Almost surely, 2^852582021 is an apocalyptic number.

It is an amenable number.

852582021 is a deficient number, since it is larger than the sum of its proper divisors (308853051).

852582021 is an frugal number, since it uses more digits than its factorization.

852582021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 852582021 is about 29199.0071920262. The cubic root of 852582021 is about 948.2264309397.

The spelling of 852582021 in words is "eight hundred fifty-two million, five hundred eighty-two thousand, twenty-one".