823055625 has 60 divisors (see below), whose sum is σ = 1697906496. Its totient is φ = 376236000.

The previous prime is 823055617. The next prime is 823055627. The reversal of 823055625 is 526550328.

It is a happy number.

823055625 is a `hidden beast` number, since 8 + 23 + 0 + 5 + 5 + 625 = 666.

It is not a de Polignac number, because 823055625 - 2³ = 823055617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 823055625.

It is not an unprimeable number, because it can be changed into a prime (823055627) 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 59 ways as a sum of consecutive naturals, for example, 28924 + ... + 49826.

Almost surely, 2^823055625 is an apocalyptic number.

It is an amenable number.

823055625 is an abundant number, since it is smaller than the sum of its proper divisors (874850871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823055625 is a wasteful number, since it uses less digits than its factorization.

823055625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20936 (or 20918 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 823055625 is about 28688.9460419863. The cubic root of 823055625 is about 937.1513370125.

The spelling of 823055625 in words is "eight hundred twenty-three million, fifty-five thousand, six hundred twenty-five".