825133219 has 4 divisors (see below), whose sum is σ = 825347160. Its totient is φ = 824919280.

The previous prime is 825133217. The next prime is 825133247. The reversal of 825133219 is 912331528.

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

It is a cyclic number.

It is not a de Polignac number, because 825133219 - 2¹ = 825133217 is a prime.

It is a super-2 number, since 2×825133219² = 1361689658194603922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825133217) 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 in 3 ways as a sum of consecutive naturals, for example, 101077 + ... + 108934.

It is an arithmetic number, because the mean of its divisors is an integer number (206336790).

Almost surely, 2^825133219 is an apocalyptic number.

825133219 is a deficient number, since it is larger than the sum of its proper divisors (213941).

825133219 is a wasteful number, since it uses less digits than its factorization.

825133219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213940.

The product of its digits is 12960, while the sum is 34.

The square root of 825133219 is about 28725.1321842041. The cubic root of 825133219 is about 937.9392076324.

The spelling of 825133219 in words is "eight hundred twenty-five million, one hundred thirty-three thousand, two hundred nineteen".