825603369 has 4 divisors (see below), whose sum is σ = 1100804496. Its totient is φ = 550402244.

The previous prime is 825603353. The next prime is 825603403. The reversal of 825603369 is 963306528.

825603369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 825603369 - 2⁴ = 825603353 is a prime.

It is a super-2 number, since 2×825603369² = 1363241845808300322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825603369.

It is not an unprimeable number, because it can be changed into a prime (825603319) 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, 137600559 + ... + 137600564.

It is an arithmetic number, because the mean of its divisors is an integer number (275201124).

Almost surely, 2^825603369 is an apocalyptic number.

It is an amenable number.

825603369 is a deficient number, since it is larger than the sum of its proper divisors (275201127).

825603369 is a wasteful number, since it uses less digits than its factorization.

825603369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275201126.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 825603369 is about 28733.3146190968. The cubic root of 825603369 is about 938.1173155959.

The spelling of 825603369 in words is "eight hundred twenty-five million, six hundred three thousand, three hundred sixty-nine".