825027449 has 4 divisors (see below), whose sum is σ = 825174864. Its totient is φ = 824880036.

The previous prime is 825027439. The next prime is 825027473. The reversal of 825027449 is 944720528.

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 825027449 - 2⁸ = 825027193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825027439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64967 + ... + 76620.

It is an arithmetic number, because the mean of its divisors is an integer number (206293716).

Almost surely, 2^825027449 is an apocalyptic number.

It is an amenable number.

825027449 is a deficient number, since it is larger than the sum of its proper divisors (147415).

825027449 is a wasteful number, since it uses less digits than its factorization.

825027449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147414.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 825027449 is about 28723.2910544735. The cubic root of 825027449 is about 937.8991292278.

The spelling of 825027449 in words is "eight hundred twenty-five million, twenty-seven thousand, four hundred forty-nine".