852507472 has 10 divisors (see below), whose sum is σ = 1651733258. Its totient is φ = 426253728.

The previous prime is 852507457. The next prime is 852507473. The reversal of 852507472 is 274705258.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 708411456 + 144096016 = 26616^2 + 12004^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852507473) 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 as a sum of consecutive naturals, namely, 26640843 + ... + 26640874.

Almost surely, 2^852507472 is an apocalyptic number.

It is an amenable number.

852507472 is a deficient number, since it is larger than the sum of its proper divisors (799225786).

852507472 is a wasteful number, since it uses less digits than its factorization.

852507472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53281725 (or 53281719 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 852507472 is about 29197.7305967433. The cubic root of 852507472 is about 948.1987927806.

The spelling of 852507472 in words is "eight hundred fifty-two million, five hundred seven thousand, four hundred seventy-two".