9147966025 has 81 divisors (see below), whose sum is σ = 13092994677. Its totient is φ = 6335524800.

The previous prime is 9147965971. The next prime is 9147966053. The reversal of 9147966025 is 5206697419.

It is a happy number.

The square root of 9147966025 is 95645.

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

It can be written as a sum of positive squares in 4 ways, for example, as 868421961 + 8279544064 = 29469^2 + 90992^2 .

It is not a de Polignac number, because 9147966025 - 2¹¹ = 9147963977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9147966025.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 194637552 + ... + 194637598.

Almost surely, 2^9147966025 is an apocalyptic number.

9147966025 is the 95645-th square number.

9147966025 is the 47823-rd centered octagonal number.

It is an amenable number.

9147966025 is a deficient number, since it is larger than the sum of its proper divisors (3945028652).

9147966025 is a wasteful number, since it uses less digits than its factorization.

9147966025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The cubic root of 9147966025 is about 2091.4212401432.

Multiplying 9147966025 by its sum of digits (49), we get a square (448250335225 = 669515²).

The spelling of 9147966025 in words is "nine billion, one hundred forty-seven million, nine hundred sixty-six thousand, twenty-five".