852482909 has 4 divisors (see below), whose sum is σ = 852552960. Its totient is φ = 852412860.

The previous prime is 852482843. The next prime is 852482933. The reversal of 852482909 is 909284258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 852482909 - 2¹² = 852478813 is a prime.

It is a super-2 number, since 2×852482909² = 1453454220274204562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852482959) 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, 11507 + ... + 42864.

It is an arithmetic number, because the mean of its divisors is an integer number (213138240).

Almost surely, 2^852482909 is an apocalyptic number.

It is an amenable number.

852482909 is a deficient number, since it is larger than the sum of its proper divisors (70051).

852482909 is a wasteful number, since it uses less digits than its factorization.

852482909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70050.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 852482909 is about 29197.3099617071. The cubic root of 852482909 is about 948.1896859863.

The spelling of 852482909 in words is "eight hundred fifty-two million, four hundred eighty-two thousand, nine hundred nine".