852283309 has 4 divisors (see below), whose sum is σ = 852342940. Its totient is φ = 852223680.

The previous prime is 852283303. The next prime is 852283319. The reversal of 852283309 is 903382258.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 903382258 = 2 ⋅451691129.

It can be written as a sum of positive squares in 2 ways, for example, as 638977284 + 213306025 = 25278^2 + 14605^2 .

It is a cyclic number.

It is not a de Polignac number, because 852283309 - 2⁷ = 852283181 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 (852283303) 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, 5827 + ... + 41695.

It is an arithmetic number, because the mean of its divisors is an integer number (213085735).

Almost surely, 2^852283309 is an apocalyptic number.

It is an amenable number.

852283309 is a deficient number, since it is larger than the sum of its proper divisors (59631).

852283309 is a wasteful number, since it uses less digits than its factorization.

852283309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59630.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 852283309 is about 29193.8916384918. The cubic root of 852283309 is about 948.1156772946.

The spelling of 852283309 in words is "eight hundred fifty-two million, two hundred eighty-three thousand, three hundred nine".