852491933 has 4 divisors (see below), whose sum is σ = 855181500. Its totient is φ = 849802368.

The previous prime is 852491891. The next prime is 852491957. The reversal of 852491933 is 339194258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225390169 + 627101764 = 15013^2 + 25042^2 .

It is a cyclic number.

It is not a de Polignac number, because 852491933 - 2⁶ = 852491869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852491993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344308 + ... + 1344941.

It is an arithmetic number, because the mean of its divisors is an integer number (213795375).

Almost surely, 2^852491933 is an apocalyptic number.

It is an amenable number.

852491933 is a deficient number, since it is larger than the sum of its proper divisors (2689567).

852491933 is a wasteful number, since it uses less digits than its factorization.

852491933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689566.

The product of its digits is 233280, while the sum is 44.

The square root of 852491933 is about 29197.4644960825. The cubic root of 852491933 is about 948.1930316774.

The spelling of 852491933 in words is "eight hundred fifty-two million, four hundred ninety-one thousand, nine hundred thirty-three".