9172448246025 has 27 divisors (see below), whose sum is σ = 16428955338471. Its totient is φ = 4891948169040.

The previous prime is 9172448245979. The next prime is 9172448246047. The reversal of 9172448246025 is 5206428442719.

The square root of 9172448246025 is 3028605.

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

9172448246025 is a `hidden beast` number, since 9 + 1 + 7 + 2 + 4 + 4 + 8 + 24 + 602 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3302081368569 + 5870366877456 = 1817163^2 + 2422884^2 .

It is not a de Polignac number, because 9172448246025 - 2²³ = 9172439857417 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 45328122 + ... + 45530028.

Almost surely, 2^{9172448246025} is an apocalyptic number.

9172448246025 is the 3028605-th square number.

9172448246025 is the 1514303-rd centered octagonal number.

It is an amenable number.

9172448246025 is a deficient number, since it is larger than the sum of its proper divisors (7256507092446).

9172448246025 is an frugal number, since it uses more digits than its factorization.

9172448246025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403830 (or 201915 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 9172448246025 in words is "nine trillion, one hundred seventy-two billion, four hundred forty-eight million, two hundred forty-six thousand, twenty-five".