894660598225 has 27 divisors (see below), whose sum is σ = 1121070388179. Its totient is φ = 708263712000.

The previous prime is 894660598199. The next prime is 894660598229. The reversal of 894660598225 is 522895066498.

The square root of 894660598225 is 945865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 602956909009 + 291703689216 = 776503^2 + 540096^2 .

It is not a de Polignac number, because 894660598225 - 2⁹ = 894660597713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894660598229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 477660889 + ... + 477662761.

Almost surely, 2^894660598225 is an apocalyptic number.

894660598225 is the 945865-th square number.

894660598225 is the 472933-rd centered octagonal number.

It is an amenable number.

894660598225 is a deficient number, since it is larger than the sum of its proper divisors (226409789954).

894660598225 is an frugal number, since it uses more digits than its factorization.

894660598225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 64.

Multiplying 894660598225 by its sum of digits (64), we get a square (57258278286400 = 7566920²).

The spelling of 894660598225 in words is "eight hundred ninety-four billion, six hundred sixty million, five hundred ninety-eight thousand, two hundred twenty-five".