825009608 has 8 divisors (see below), whose sum is σ = 1546893030. Its totient is φ = 412504800.

The previous prime is 825009599. The next prime is 825009611. The reversal of 825009608 is 806900528.

It can be written as a sum of positive squares in only one way, i.e., 544848964 + 280160644 = 23342^2 + 16738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 51563093 + ... + 51563108.

Almost surely, 2^825009608 is an apocalyptic number.

It is an amenable number.

825009608 is a deficient number, since it is larger than the sum of its proper divisors (721883422).

825009608 is a wasteful number, since it uses less digits than its factorization.

825009608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103126207 (or 103126203 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 825009608 is about 28722.9804860150. The cubic root of 825009608 is about 937.8923685723.

The spelling of 825009608 in words is "eight hundred twenty-five million, nine thousand, six hundred eight".