9574785319225 has 81 divisors (see below), whose sum is σ = 13910103314991. Its totient is φ = 6518855296800.

The previous prime is 9574785319223. The next prime is 9574785319259. The reversal of 9574785319225 is 5229135874759.

The square root of 9574785319225 is 3094315.

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

It can be written as a sum of positive squares in only one way, i.e., 3446922714921 + 6127862604304 = 1856589^2 + 2475452^2 .

It is not a de Polignac number, because 9574785319225 - 2¹ = 9574785319223 is a prime.

It is a super-3 number, since 3×9574785319225³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9574785319223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 22851516066 + ... + 22851516484.

Almost surely, 2^{9574785319225} is an apocalyptic number.

9574785319225 is the 3094315-th square number.

9574785319225 is the 1547158-th centered octagonal number.

It is an amenable number.

9574785319225 is a deficient number, since it is larger than the sum of its proper divisors (4335317995766).

9574785319225 is an frugal number, since it uses more digits than its factorization.

9574785319225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 642 counting only the distinct ones).

The product of its digits is 190512000, while the sum is 67.

The spelling of 9574785319225 in words is "nine trillion, five hundred seventy-four billion, seven hundred eighty-five million, three hundred nineteen thousand, two hundred twenty-five".